16982205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 28169856

約数和(自身を除く): 11187651

約数列:

[1, 3, 5, 15, 43, 113, 129, 215, 233, 339, 565, 645, 699, 1165, 1695, 3495, 4859, 10019, 14577, 24295, 26329, 30057, 50095, 72885, 78987, 131645, 150285, 394935, 1132147, 3396441, 5660735, 16982205]

約数ペア:

[(1, 16982205), (3, 5660735), (5, 3396441), (15, 1132147), (43, 394935), (113, 150285), (129, 131645), (215, 78987), (233, 72885), (339, 50095), (565, 30057), (645, 26329), (699, 24295), (1165, 14577), (1695, 10019), (3495, 4859)]