156629943

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{21727}}^1$

素因数の和:21828

約数の個数: 20

約数和(自身を含む): 236617920

約数和(自身を除く): 79987977

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 21727, 65181, 195543, 586629, 1759887, 1933703, 5801109, 17403327, 52209981, 156629943]

約数ペア:

[(1, 156629943), (3, 52209981), (9, 17403327), (27, 5801109), (81, 1933703), (89, 1759887), (267, 586629), (801, 195543), (2403, 65181), (7209, 21727)]