39964869

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27581}}^1$

素因数の和:27617

約数の個数: 24

約数和(自身を含む): 68844672

約数和(自身を除く): 28879803

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 27581, 82743, 193067, 248229, 579201, 634363, 1737603, 1903089, 4440541, 5709267, 13321623, 39964869]

約数ペア:

[(1, 39964869), (3, 13321623), (7, 5709267), (9, 4440541), (21, 1903089), (23, 1737603), (63, 634363), (69, 579201), (161, 248229), (207, 193067), (483, 82743), (1449, 27581)]