1428759

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:612

約数の個数: 20

約数和(自身を含む): 2207040

約数和(自身を除く): 778281

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 569, 837, 1707, 2511, 5121, 15363, 17639, 46089, 52917, 158751, 476253, 1428759]

約数ペア:

[(1, 1428759), (3, 476253), (9, 158751), (27, 52917), (31, 46089), (81, 17639), (93, 15363), (279, 5121), (569, 2511), (837, 1707)]