213517205

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{2539}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 283768800

約数和(自身を除く): 70251595

約数列:

[1, 5, 11, 55, 121, 139, 605, 695, 1529, 2539, 7645, 12695, 16819, 27929, 84095, 139645, 307219, 352921, 1536095, 1764605, 3882131, 19410655, 42703441, 213517205]

約数ペア:

[(1, 213517205), (5, 42703441), (11, 19410655), (55, 3882131), (121, 1764605), (139, 1536095), (605, 352921), (695, 307219), (1529, 139645), (2539, 84095), (7645, 27929), (12695, 16819)]