221345831

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{13577}}^1$

素因数の和:13738

約数の個数: 16

約数和(自身を含む): 269822016

約数和(自身を除く): 48476185

約数列:

[1, 7, 17, 119, 137, 959, 2329, 13577, 16303, 95039, 230809, 1615663, 1860049, 13020343, 31620833, 221345831]

約数ペア:

[(1, 221345831), (7, 31620833), (17, 13020343), (119, 1860049), (137, 1615663), (959, 230809), (2329, 95039), (13577, 16303)]