42140625

素因数分解:

$3^1\times 5^6\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 56

約数和(自身を含む): 74999040

約数和(自身を除く): 32858415

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 125, 145, 155, 375, 435, 465, 625, 725, 775, 899, 1875, 2175, 2325, 2697, 3125, 3625, 3875, 4495, 9375, 10875, 11625, 13485, 15625, 18125, 19375, 22475, 46875, 54375, 58125, 67425, 90625, 96875, 112375, 271875, 290625, 337125, 453125, 484375, 561875, 1359375, 1453125, 1685625, 2809375, 8428125, 14046875, 42140625]

約数ペア:

[(1, 42140625), (3, 14046875), (5, 8428125), (15, 2809375), (25, 1685625), (29, 1453125), (31, 1359375), (75, 561875), (87, 484375), (93, 453125), (125, 337125), (145, 290625), (155, 271875), (375, 112375), (435, 96875), (465, 90625), (625, 67425), (725, 58125), (775, 54375), (899, 46875), (1875, 22475), (2175, 19375), (2325, 18125), (2697, 15625), (3125, 13485), (3625, 11625), (3875, 10875), (4495, 9375)]