221190839

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1814

約数の個数: 16

約数和(自身を含む): 238022400

約数和(自身を除く): 16831561

約数列:

[1, 23, 43, 139, 989, 1609, 3197, 5977, 37007, 69187, 137471, 223651, 1591301, 5143973, 9616993, 221190839]

約数ペア:

[(1, 221190839), (23, 9616993), (43, 5143973), (139, 1591301), (989, 223651), (1609, 137471), (3197, 69187), (5977, 37007)]