28009331

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 35212320

約数和(自身を除く): 7202989

約数列:

[1, 7, 23, 29, 49, 161, 203, 667, 857, 1127, 1421, 4669, 5999, 19711, 24853, 32683, 41993, 137977, 173971, 571619, 965839, 1217797, 4001333, 28009331]

約数ペア:

[(1, 28009331), (7, 4001333), (23, 1217797), (29, 965839), (49, 571619), (161, 173971), (203, 137977), (667, 41993), (857, 32683), (1127, 24853), (1421, 19711), (4669, 5999)]