1209590921

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{2244139}}^1$

素因数の和:2244164

約数の個数: 12

約数和(自身を含む): 1534991760

約数和(自身を除く): 325400839

約数列:

[1, 7, 11, 49, 77, 539, 2244139, 15708973, 24685529, 109962811, 172798703, 1209590921]

約数ペア:

[(1, 1209590921), (7, 172798703), (11, 109962811), (49, 24685529), (77, 15708973), (539, 2244139)]