161865861

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{5381}}^1$

素因数の和:5692

約数の個数: 16

約数和(自身を含む): 222513408

約数和(自身を除く): 60647547

約数列:

[1, 3, 37, 111, 271, 813, 5381, 10027, 16143, 30081, 199097, 597291, 1458251, 4374753, 53955287, 161865861]

約数ペア:

[(1, 161865861), (3, 53955287), (37, 4374753), (111, 1458251), (271, 597291), (813, 199097), (5381, 30081), (10027, 16143)]