51647085

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 113541120

約数和(自身を除く): 61894035

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 41, 43, 45, 63, 93, 105, 123, 129, 135, 155, 189, 205, 215, 217, 279, 287, 301, 315, 369, 387, 465, 615, 645, 651, 837, 861, 903, 945, 1085, 1107, 1161, 1271, 1333, 1395, 1435, 1505, 1763, 1845, 1935, 1953, 2583, 2709, 3255, 3813, 3999, 4185, 4305, 4515, 5289, 5535, 5805, 5859, 6355, 6665, 7749, 8127, 8815, 8897, 9331, 9765, 11439, 11997, 12341, 12915, 13545, 15867, 19065, 19995, 26445, 26691, 27993, 29295, 34317, 35991, 37023, 38745, 40635, 44485, 46655, 47601, 54653, 57195, 59985, 61705, 79335, 80073, 83979, 111069, 133455, 139965, 163959, 171585, 179955, 185115, 238005, 240219, 251937, 273265, 333207, 382571, 400365, 419895, 491877, 555345, 819795, 1147713, 1201095, 1259685, 1475631, 1666035, 1912855, 2459385, 3443139, 5738565, 7378155, 10329417, 17215695, 51647085]

約数ペア:

[(1, 51647085), (3, 17215695), (5, 10329417), (7, 7378155), (9, 5738565), (15, 3443139), (21, 2459385), (27, 1912855), (31, 1666035), (35, 1475631), (41, 1259685), (43, 1201095), (45, 1147713), (63, 819795), (93, 555345), (105, 491877), (123, 419895), (129, 400365), (135, 382571), (155, 333207), (189, 273265), (205, 251937), (215, 240219), (217, 238005), (279, 185115), (287, 179955), (301, 171585), (315, 163959), (369, 139965), (387, 133455), (465, 111069), (615, 83979), (645, 80073), (651, 79335), (837, 61705), (861, 59985), (903, 57195), (945, 54653), (1085, 47601), (1107, 46655), (1161, 44485), (1271, 40635), (1333, 38745), (1395, 37023), (1435, 35991), (1505, 34317), (1763, 29295), (1845, 27993), (1935, 26691), (1953, 26445), (2583, 19995), (2709, 19065), (3255, 15867), (3813, 13545), (3999, 12915), (4185, 12341), (4305, 11997), (4515, 11439), (5289, 9765), (5535, 9331), (5805, 8897), (5859, 8815), (6355, 8127), (6665, 7749)]