17970001

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 21187584

約数和(自身を除く): 3217583

約数列:

[1, 7, 43, 227, 263, 301, 1589, 1841, 9761, 11309, 59701, 68327, 79163, 417907, 2567143, 17970001]

約数ペア:

[(1, 17970001), (7, 2567143), (43, 417907), (227, 79163), (263, 68327), (301, 59701), (1589, 11309), (1841, 9761)]