197992017

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 291083520

約数和(自身を除く): 93091503

約数列:

[1, 3, 9, 101, 139, 303, 417, 909, 1251, 1567, 4701, 14039, 14103, 42117, 126351, 158267, 217813, 474801, 653439, 1424403, 1960317, 21999113, 65997339, 197992017]

約数ペア:

[(1, 197992017), (3, 65997339), (9, 21999113), (101, 1960317), (139, 1424403), (303, 653439), (417, 474801), (909, 217813), (1251, 158267), (1567, 126351), (4701, 42117), (14039, 14103)]