8021254185

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2828

約数の個数: 144

約数和(自身を含む): 17089712640

約数和(自身を除く): 9068458455

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 43, 45, 49, 63, 93, 105, 129, 147, 155, 215, 217, 245, 279, 301, 315, 387, 441, 465, 645, 651, 735, 903, 1085, 1333, 1395, 1505, 1519, 1935, 1953, 2107, 2205, 2709, 2729, 3255, 3999, 4515, 4557, 6321, 6665, 7595, 8187, 9331, 9765, 10535, 11997, 13545, 13645, 13671, 18963, 19103, 19995, 22785, 24561, 27993, 31605, 40935, 46655, 57309, 59985, 65317, 68355, 83979, 84599, 94815, 95515, 117347, 122805, 133721, 139965, 171927, 195951, 253797, 286545, 326585, 352041, 401163, 419895, 422995, 586735, 587853, 592193, 668605, 761391, 821429, 859635, 979755, 1056123, 1203489, 1268985, 1760205, 1776579, 2005815, 2464287, 2939265, 2960965, 3637757, 3806955, 4107145, 4145351, 5280615, 5329737, 5750003, 6017445, 7392861, 8882895, 10913271, 12321435, 12436053, 17250009, 18188785, 20726755, 25464299, 26648685, 28750015, 32739813, 36964305, 37308159, 51750027, 54566355, 62180265, 76392897, 86250045, 127321495, 163699065, 178250093, 186540795, 229178691, 258750135, 381964485, 534750279, 891250465, 1145893455, 1604250837, 2673751395, 8021254185]

約数ペア:

[(1, 8021254185), (3, 2673751395), (5, 1604250837), (7, 1145893455), (9, 891250465), (15, 534750279), (21, 381964485), (31, 258750135), (35, 229178691), (43, 186540795), (45, 178250093), (49, 163699065), (63, 127321495), (93, 86250045), (105, 76392897), (129, 62180265), (147, 54566355), (155, 51750027), (215, 37308159), (217, 36964305), (245, 32739813), (279, 28750015), (301, 26648685), (315, 25464299), (387, 20726755), (441, 18188785), (465, 17250009), (645, 12436053), (651, 12321435), (735, 10913271), (903, 8882895), (1085, 7392861), (1333, 6017445), (1395, 5750003), (1505, 5329737), (1519, 5280615), (1935, 4145351), (1953, 4107145), (2107, 3806955), (2205, 3637757), (2709, 2960965), (2729, 2939265), (3255, 2464287), (3999, 2005815), (4515, 1776579), (4557, 1760205), (6321, 1268985), (6665, 1203489), (7595, 1056123), (8187, 979755), (9331, 859635), (9765, 821429), (10535, 761391), (11997, 668605), (13545, 592193), (13645, 587853), (13671, 586735), (18963, 422995), (19103, 419895), (19995, 401163), (22785, 352041), (24561, 326585), (27993, 286545), (31605, 253797), (40935, 195951), (46655, 171927), (57309, 139965), (59985, 133721), (65317, 122805), (68355, 117347), (83979, 95515), (84599, 94815)]