81732375

素因数分解:

$3^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 153978240

約数和(自身を除く): 72245865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 125, 135, 183, 225, 305, 375, 397, 549, 675, 915, 1125, 1191, 1525, 1647, 1985, 2745, 3375, 3573, 4575, 5955, 7625, 8235, 9925, 10719, 13725, 17865, 22875, 24217, 29775, 41175, 49625, 53595, 68625, 72651, 89325, 121085, 148875, 205875, 217953, 267975, 363255, 446625, 605425, 653859, 1089765, 1339875, 1816275, 3027125, 3269295, 5448825, 9081375, 16346475, 27244125, 81732375]

約数ペア:

[(1, 81732375), (3, 27244125), (5, 16346475), (9, 9081375), (15, 5448825), (25, 3269295), (27, 3027125), (45, 1816275), (61, 1339875), (75, 1089765), (125, 653859), (135, 605425), (183, 446625), (225, 363255), (305, 267975), (375, 217953), (397, 205875), (549, 148875), (675, 121085), (915, 89325), (1125, 72651), (1191, 68625), (1525, 53595), (1647, 49625), (1985, 41175), (2745, 29775), (3375, 24217), (3573, 22875), (4575, 17865), (5955, 13725), (7625, 10719), (8235, 9925)]