661838643

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{536771}}^1$

素因数の和:536914

約数の個数: 12

約数和(自身を含む): 962968968

約数和(自身を除く): 301130325

約数列:

[1, 3, 9, 137, 411, 1233, 536771, 1610313, 4830939, 73537627, 220612881, 661838643]

約数ペア:

[(1, 661838643), (3, 220612881), (9, 73537627), (137, 4830939), (411, 1610313), (1233, 536771)]