223171201

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1021}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 251951616

約数和(自身を除く): 28780415

約数列:

[1, 11, 31, 341, 641, 1021, 7051, 11231, 19871, 31651, 218581, 348161, 654461, 7199071, 20288291, 223171201]

約数ペア:

[(1, 223171201), (11, 20288291), (31, 7199071), (341, 654461), (641, 348161), (1021, 218581), (7051, 31651), (11231, 19871)]