289778721

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{2473}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 390694080

約数和(自身を除く): 100915359

約数列:

[1, 3, 139, 281, 417, 843, 2473, 7419, 39059, 117177, 343747, 694913, 1031241, 2084739, 96592907, 289778721]

約数ペア:

[(1, 289778721), (3, 96592907), (139, 2084739), (281, 1031241), (417, 694913), (843, 343747), (2473, 117177), (7419, 39059)]