131397567

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{3181}}^1$

素因数の和:3479

約数の個数: 24

約数和(自身を含む): 204589872

約数和(自身を除く): 73192305

約数列:

[1, 3, 7, 21, 49, 147, 281, 843, 1967, 3181, 5901, 9543, 13769, 22267, 41307, 66801, 155869, 467607, 893861, 2681583, 6257027, 18771081, 43799189, 131397567]

約数ペア:

[(1, 131397567), (3, 43799189), (7, 18771081), (21, 6257027), (49, 2681583), (147, 893861), (281, 467607), (843, 155869), (1967, 66801), (3181, 41307), (5901, 22267), (9543, 13769)]