221159953

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{30467}}^1$

素因数の和:30552

約数の個数: 16

約数和(自身を含む): 272018304

約数和(自身を除く): 50858351

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 30467, 213269, 517939, 1858487, 3625573, 13009409, 31594279, 221159953]

約数ペア:

[(1, 221159953), (7, 31594279), (17, 13009409), (61, 3625573), (119, 1858487), (427, 517939), (1037, 213269), (7259, 30467)]