18055485

素因数分解:

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

素因数の和:135

約数の個数: 72

約数和(自身を含む): 37799424

約数和(自身を除く): 19743939

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 43, 45, 63, 93, 105, 129, 155, 215, 217, 279, 301, 315, 387, 465, 645, 651, 903, 1085, 1333, 1395, 1505, 1849, 1935, 1953, 2709, 3255, 3999, 4515, 5547, 6665, 9245, 9331, 9765, 11997, 12943, 13545, 16641, 19995, 27735, 27993, 38829, 46655, 57319, 59985, 64715, 83205, 83979, 116487, 139965, 171957, 194145, 286595, 401233, 419895, 515871, 582435, 859785, 1203699, 2006165, 2579355, 3611097, 6018495, 18055485]

約数ペア:

[(1, 18055485), (3, 6018495), (5, 3611097), (7, 2579355), (9, 2006165), (15, 1203699), (21, 859785), (31, 582435), (35, 515871), (43, 419895), (45, 401233), (63, 286595), (93, 194145), (105, 171957), (129, 139965), (155, 116487), (215, 83979), (217, 83205), (279, 64715), (301, 59985), (315, 57319), (387, 46655), (465, 38829), (645, 27993), (651, 27735), (903, 19995), (1085, 16641), (1333, 13545), (1395, 12943), (1505, 11997), (1849, 9765), (1935, 9331), (1953, 9245), (2709, 6665), (3255, 5547), (3999, 4515)]