2720905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 3624768

約数和(自身を除く): 903863

約数列:

[1, 5, 11, 55, 61, 305, 671, 811, 3355, 4055, 8921, 44605, 49471, 247355, 544181, 2720905]

約数ペア:

[(1, 2720905), (5, 544181), (11, 247355), (55, 49471), (61, 44605), (305, 8921), (671, 4055), (811, 3355)]