81570213

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{5711}}^1$

素因数の和:5766

約数の個数: 24

約数和(自身を含む): 126349440

約数和(自身を除く): 44779227

約数列:

[1, 3, 9, 23, 27, 69, 207, 529, 621, 1587, 4761, 5711, 14283, 17133, 51399, 131353, 154197, 394059, 1182177, 3021119, 3546531, 9063357, 27190071, 81570213]

約数ペア:

[(1, 81570213), (3, 27190071), (9, 9063357), (23, 3546531), (27, 3021119), (69, 1182177), (207, 394059), (529, 154197), (621, 131353), (1587, 51399), (4761, 17133), (5711, 14283)]