15222473

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 18011136

約数和(自身を除く): 2788663

約数列:

[1, 7, 43, 103, 301, 491, 721, 3437, 4429, 21113, 31003, 50573, 147791, 354011, 2174639, 15222473]

約数ペア:

[(1, 15222473), (7, 2174639), (43, 354011), (103, 147791), (301, 50573), (491, 31003), (721, 21113), (3437, 4429)]