12438993

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 19823232

約数和(自身を除く): 7384239

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 2287, 5439, 6861, 16009, 48027, 84619, 112063, 253857, 336189, 592333, 1776999, 4146331, 12438993]

約数ペア:

[(1, 12438993), (3, 4146331), (7, 1776999), (21, 592333), (37, 336189), (49, 253857), (111, 112063), (147, 84619), (259, 48027), (777, 16009), (1813, 6861), (2287, 5439)]