161491121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1181}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 182462976

約数和(自身を除く): 20971855

約数列:

[1, 11, 31, 341, 401, 1181, 4411, 12431, 12991, 36611, 136741, 402721, 473581, 5209391, 14681011, 161491121]

約数ペア:

[(1, 161491121), (11, 14681011), (31, 5209391), (341, 473581), (401, 402721), (1181, 136741), (4411, 36611), (12431, 12991)]