6720786978

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2738707}}^1$

素因数の和:2739121

約数の個数: 16

約数和(自身を含む): 13474443360

約数和(自身を除く): 6753656382

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 2738707, 5477414, 8216121, 16432242, 1120131163, 2240262326, 3360393489, 6720786978]

約数ペア:

[(1, 6720786978), (2, 3360393489), (3, 2240262326), (6, 1120131163), (409, 16432242), (818, 8216121), (1227, 5477414), (2454, 2738707)]