646133031

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{257321}}^1$

素因数の和:257364

約数の個数: 20

約数和(自身を含む): 996350784

約数和(自身を除く): 350217753

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 257321, 771963, 2315889, 6947667, 7976951, 20843001, 23930853, 71792559, 215377677, 646133031]

約数ペア:

[(1, 646133031), (3, 215377677), (9, 71792559), (27, 23930853), (31, 20843001), (81, 7976951), (93, 6947667), (279, 2315889), (837, 771963), (2511, 257321)]