389728125

素因数分解:

$3^3\times 5^5\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 749952000

約数和(自身を除く): 360223875

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 125, 135, 149, 155, 225, 279, 375, 447, 465, 625, 675, 745, 775, 837, 1125, 1341, 1395, 1875, 2235, 2325, 3125, 3375, 3725, 3875, 4023, 4185, 4619, 5625, 6705, 6975, 9375, 11175, 11625, 13857, 16875, 18625, 19375, 20115, 20925, 23095, 28125, 33525, 34875, 41571, 55875, 58125, 69285, 84375, 93125, 96875, 100575, 104625, 115475, 124713, 167625, 174375, 207855, 279375, 290625, 346425, 465625, 502875, 523125, 577375, 623565, 838125, 871875, 1039275, 1396875, 1732125, 2514375, 2615625, 2886875, 3117825, 4190625, 5196375, 8660625, 12571875, 14434375, 15589125, 25981875, 43303125, 77945625, 129909375, 389728125]

約数ペア:

[(1, 389728125), (3, 129909375), (5, 77945625), (9, 43303125), (15, 25981875), (25, 15589125), (27, 14434375), (31, 12571875), (45, 8660625), (75, 5196375), (93, 4190625), (125, 3117825), (135, 2886875), (149, 2615625), (155, 2514375), (225, 1732125), (279, 1396875), (375, 1039275), (447, 871875), (465, 838125), (625, 623565), (675, 577375), (745, 523125), (775, 502875), (837, 465625), (1125, 346425), (1341, 290625), (1395, 279375), (1875, 207855), (2235, 174375), (2325, 167625), (3125, 124713), (3375, 115475), (3725, 104625), (3875, 100575), (4023, 96875), (4185, 93125), (4619, 84375), (5625, 69285), (6705, 58125), (6975, 55875), (9375, 41571), (11175, 34875), (11625, 33525), (13857, 28125), (16875, 23095), (18625, 20925), (19375, 20115)]