31947237

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:3990

約数の個数: 32

約数和(自身を含む): 55362560

約数和(自身を除く): 23415323

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3931, 8127, 11793, 27517, 35379, 82551, 106137, 169033, 247653, 507099, 742959, 1183231, 1521297, 3549693, 4563891, 10649079, 31947237]

約数ペア:

[(1, 31947237), (3, 10649079), (7, 4563891), (9, 3549693), (21, 1521297), (27, 1183231), (43, 742959), (63, 507099), (129, 247653), (189, 169033), (301, 106137), (387, 82551), (903, 35379), (1161, 27517), (2709, 11793), (3931, 8127)]