81095427

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4139}}^1$

素因数の和:4463

約数の個数: 24

約数和(自身を含む): 134334720

約数和(自身を除く): 53239293

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 2177, 2799, 4139, 6531, 12417, 19593, 28973, 37251, 86919, 260757, 1287229, 3861687, 9010603, 11585061, 27031809, 81095427]

約数ペア:

[(1, 81095427), (3, 27031809), (7, 11585061), (9, 9010603), (21, 3861687), (63, 1287229), (311, 260757), (933, 86919), (2177, 37251), (2799, 28973), (4139, 19593), (6531, 12417)]