12718875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2609}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 22800960

約数和(自身を除く): 10082085

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 2609, 4875, 7827, 13045, 33917, 39135, 65225, 101751, 169585, 195675, 326125, 508755, 847925, 978375, 2543775, 4239625, 12718875]

約数ペア:

[(1, 12718875), (3, 4239625), (5, 2543775), (13, 978375), (15, 847925), (25, 508755), (39, 326125), (65, 195675), (75, 169585), (125, 101751), (195, 65225), (325, 39135), (375, 33917), (975, 13045), (1625, 7827), (2609, 4875)]