16397925

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 27334560

約数和(自身を除く): 10936635

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1669, 1965, 3275, 5007, 8345, 9825, 25035, 41725, 125175, 218639, 655917, 1093195, 3279585, 5465975, 16397925]

約数ペア:

[(1, 16397925), (3, 5465975), (5, 3279585), (15, 1093195), (25, 655917), (75, 218639), (131, 125175), (393, 41725), (655, 25035), (1669, 9825), (1965, 8345), (3275, 5007)]