31443867

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38393}}^1$

素因数の和:38419

約数の個数: 24

約数和(自身を含む): 55901664

約数和(自身を除く): 24457797

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 38393, 115179, 268751, 345537, 499109, 806253, 1497327, 2418759, 3493763, 4491981, 10481289, 31443867]

約数ペア:

[(1, 31443867), (3, 10481289), (7, 4491981), (9, 3493763), (13, 2418759), (21, 1497327), (39, 806253), (63, 499109), (91, 345537), (117, 268751), (273, 115179), (819, 38393)]