15372427

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 18800880

約数和(自身を除く): 3428453

約数列:

[1, 7, 37, 49, 61, 139, 259, 427, 973, 1813, 2257, 2989, 5143, 6811, 8479, 15799, 36001, 59353, 110593, 252007, 313723, 415471, 2196061, 15372427]

約数ペア:

[(1, 15372427), (7, 2196061), (37, 415471), (49, 313723), (61, 252007), (139, 110593), (259, 59353), (427, 36001), (973, 15799), (1813, 8479), (2257, 6811), (2989, 5143)]