25981875

素因数分解:

$3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 60

約数和(自身を含む): 48734400

約数和(自身を除く): 22752525

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 125, 149, 155, 225, 279, 375, 447, 465, 625, 745, 775, 1125, 1341, 1395, 1875, 2235, 2325, 3725, 3875, 4619, 5625, 6705, 6975, 11175, 11625, 13857, 18625, 19375, 23095, 33525, 34875, 41571, 55875, 58125, 69285, 93125, 115475, 167625, 174375, 207855, 279375, 346425, 577375, 838125, 1039275, 1732125, 2886875, 5196375, 8660625, 25981875]

約数ペア:

[(1, 25981875), (3, 8660625), (5, 5196375), (9, 2886875), (15, 1732125), (25, 1039275), (31, 838125), (45, 577375), (75, 346425), (93, 279375), (125, 207855), (149, 174375), (155, 167625), (225, 115475), (279, 93125), (375, 69285), (447, 58125), (465, 55875), (625, 41571), (745, 34875), (775, 33525), (1125, 23095), (1341, 19375), (1395, 18625), (1875, 13857), (2235, 11625), (2325, 11175), (3725, 6975), (3875, 6705), (4619, 5625)]