78712875

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 152894976

約数和(自身を除く): 74182101

約数列:

[1, 3, 5, 9, 15, 25, 31, 37, 45, 61, 75, 93, 111, 125, 155, 183, 185, 225, 279, 305, 333, 375, 465, 549, 555, 775, 915, 925, 1125, 1147, 1395, 1525, 1665, 1891, 2257, 2325, 2745, 2775, 3441, 3875, 4575, 4625, 5673, 5735, 6771, 6975, 7625, 8325, 9455, 10323, 11285, 11625, 13725, 13875, 17019, 17205, 20313, 22875, 28365, 28675, 33855, 34875, 41625, 47275, 51615, 56425, 68625, 69967, 85095, 86025, 101565, 141825, 143375, 169275, 209901, 236375, 258075, 282125, 349835, 425475, 430125, 507825, 629703, 709125, 846375, 1049505, 1290375, 1749175, 2127375, 2539125, 3148515, 5247525, 8745875, 15742575, 26237625, 78712875]

約数ペア:

[(1, 78712875), (3, 26237625), (5, 15742575), (9, 8745875), (15, 5247525), (25, 3148515), (31, 2539125), (37, 2127375), (45, 1749175), (61, 1290375), (75, 1049505), (93, 846375), (111, 709125), (125, 629703), (155, 507825), (183, 430125), (185, 425475), (225, 349835), (279, 282125), (305, 258075), (333, 236375), (375, 209901), (465, 169275), (549, 143375), (555, 141825), (775, 101565), (915, 86025), (925, 85095), (1125, 69967), (1147, 68625), (1395, 56425), (1525, 51615), (1665, 47275), (1891, 41625), (2257, 34875), (2325, 33855), (2745, 28675), (2775, 28365), (3441, 22875), (3875, 20313), (4575, 17205), (4625, 17019), (5673, 13875), (5735, 13725), (6771, 11625), (6975, 11285), (7625, 10323), (8325, 9455)]