39989625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 72169344

約数和(自身を除く): 32179719

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 169, 195, 325, 375, 507, 631, 845, 975, 1625, 1893, 2535, 3155, 4225, 4875, 8203, 9465, 12675, 15775, 21125, 24609, 41015, 47325, 63375, 78875, 106639, 123045, 205075, 236625, 319917, 533195, 615225, 1025375, 1599585, 2665975, 3076125, 7997925, 13329875, 39989625]

約数ペア:

[(1, 39989625), (3, 13329875), (5, 7997925), (13, 3076125), (15, 2665975), (25, 1599585), (39, 1025375), (65, 615225), (75, 533195), (125, 319917), (169, 236625), (195, 205075), (325, 123045), (375, 106639), (507, 78875), (631, 63375), (845, 47325), (975, 41015), (1625, 24609), (1893, 21125), (2535, 15775), (3155, 12675), (4225, 9465), (4875, 8203)]