221427

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 16

約数和(自身を含む): 336000

約数和(自身を除く): 114573

約数列:

[1, 3, 9, 27, 59, 139, 177, 417, 531, 1251, 1593, 3753, 8201, 24603, 73809, 221427]

約数ペア:

[(1, 221427), (3, 73809), (9, 24603), (27, 8201), (59, 3753), (139, 1593), (177, 1251), (417, 531)]