1221805405

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{5813}}^1$

素因数の和:6276

約数の個数: 16

約数和(自身を含む): 1482430464

約数和(自身を除く): 260625059

約数列:

[1, 5, 127, 331, 635, 1655, 5813, 29065, 42037, 210185, 738251, 1924103, 3691255, 9620515, 244361081, 1221805405]

約数ペア:

[(1, 1221805405), (5, 244361081), (127, 9620515), (331, 3691255), (635, 1924103), (1655, 738251), (5813, 210185), (29065, 42037)]