154194621

素因数分解:

$3^1\times 7^4\times {\mathrm{21407}}^1$

素因数の和:21438

約数の個数: 20

約数和(自身を含む): 239855232

約数和(自身を除く): 85660611

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 21407, 64221, 149849, 449547, 1048943, 3146829, 7342601, 22027803, 51398207, 154194621]

約数ペア:

[(1, 154194621), (3, 51398207), (7, 22027803), (21, 7342601), (49, 3146829), (147, 1048943), (343, 449547), (1029, 149849), (2401, 64221), (7203, 21407)]