31963869

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 54574080

約数和(自身を除く): 22610211

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 1291, 2751, 3537, 3873, 8253, 9037, 11619, 24759, 27111, 34857, 81333, 169121, 243999, 507363, 1183847, 1522089, 3551541, 4566267, 10654623, 31963869]

約数ペア:

[(1, 31963869), (3, 10654623), (7, 4566267), (9, 3551541), (21, 1522089), (27, 1183847), (63, 507363), (131, 243999), (189, 169121), (393, 81333), (917, 34857), (1179, 27111), (1291, 24759), (2751, 11619), (3537, 9037), (3873, 8253)]