13872321

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 20592000

約数和(自身を除く): 6719679

約数列:

[1, 3, 9, 79, 109, 179, 237, 327, 537, 711, 981, 1611, 8611, 14141, 19511, 25833, 42423, 58533, 77499, 127269, 175599, 1541369, 4624107, 13872321]

約数ペア:

[(1, 13872321), (3, 4624107), (9, 1541369), (79, 175599), (109, 127269), (179, 77499), (237, 58533), (327, 42423), (537, 25833), (711, 19511), (981, 14141), (1611, 8611)]