681849

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 1148160

約数和(自身を除く): 466311

約数列:

[1, 3, 7, 9, 21, 63, 79, 137, 237, 411, 553, 711, 959, 1233, 1659, 2877, 4977, 8631, 10823, 32469, 75761, 97407, 227283, 681849]

約数ペア:

[(1, 681849), (3, 227283), (7, 97407), (9, 75761), (21, 32469), (63, 10823), (79, 8631), (137, 4977), (237, 2877), (411, 1659), (553, 1233), (711, 959)]