51440625

素因数分解:

$3^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 97493760

約数和(自身を除く): 46053135

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 59, 75, 93, 125, 155, 177, 225, 279, 295, 375, 465, 531, 625, 775, 885, 1125, 1395, 1475, 1829, 1875, 2325, 2655, 3125, 3875, 4425, 5487, 5625, 6975, 7375, 9145, 9375, 11625, 13275, 16461, 19375, 22125, 27435, 28125, 34875, 36875, 45725, 58125, 66375, 82305, 96875, 110625, 137175, 174375, 184375, 228625, 290625, 331875, 411525, 553125, 685875, 871875, 1143125, 1659375, 2057625, 3429375, 5715625, 10288125, 17146875, 51440625]

約数ペア:

[(1, 51440625), (3, 17146875), (5, 10288125), (9, 5715625), (15, 3429375), (25, 2057625), (31, 1659375), (45, 1143125), (59, 871875), (75, 685875), (93, 553125), (125, 411525), (155, 331875), (177, 290625), (225, 228625), (279, 184375), (295, 174375), (375, 137175), (465, 110625), (531, 96875), (625, 82305), (775, 66375), (885, 58125), (1125, 45725), (1395, 36875), (1475, 34875), (1829, 28125), (1875, 27435), (2325, 22125), (2655, 19375), (3125, 16461), (3875, 13275), (4425, 11625), (5487, 9375), (5625, 9145), (6975, 7375)]