15403997

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 18492672

約数和(自身を除く): 3088675

約数列:

[1, 7, 23, 161, 241, 397, 1687, 2779, 5543, 9131, 38801, 63917, 95677, 669739, 2200571, 15403997]

約数ペア:

[(1, 15403997), (7, 2200571), (23, 669739), (161, 95677), (241, 63917), (397, 38801), (1687, 9131), (2779, 5543)]