220481841

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67987}}^1$

素因数の和:68060

約数の個数: 16

約数和(自身を含む): 313288704

約数和(自身を除く): 92806863

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 67987, 203961, 1563701, 3195389, 4691103, 9586167, 73493947, 220481841]

約数ペア:

[(1, 220481841), (3, 73493947), (23, 9586167), (47, 4691103), (69, 3195389), (141, 1563701), (1081, 203961), (3243, 67987)]