7972251

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 12473424

約数和(自身を除く): 4501173

約数列:

[1, 3, 7, 21, 49, 147, 193, 281, 579, 843, 1351, 1967, 4053, 5901, 9457, 13769, 28371, 41307, 54233, 162699, 379631, 1138893, 2657417, 7972251]

約数ペア:

[(1, 7972251), (3, 2657417), (7, 1138893), (21, 379631), (49, 162699), (147, 54233), (193, 41307), (281, 28371), (579, 13769), (843, 9457), (1351, 5901), (1967, 4053)]