221524401

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29221}}^1$

素因数の和:29269

約数の個数: 24

約数和(自身を含む): 356274624

約数和(自身を除く): 134750223

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 29221, 87663, 204547, 555199, 613641, 1665597, 3886393, 10548781, 11659179, 31646343, 73841467, 221524401]

約数ペア:

[(1, 221524401), (3, 73841467), (7, 31646343), (19, 11659179), (21, 10548781), (57, 3886393), (133, 1665597), (361, 613641), (399, 555199), (1083, 204547), (2527, 87663), (7581, 29221)]