18125416545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28101421}}^1$

素因数の和:28101472

約数の個数: 16

約数和(自身を含む): 29675101632

約数和(自身を除く): 11549685087

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28101421, 84304263, 140507105, 421521315, 1208361103, 3625083309, 6041805515, 18125416545]

約数ペア:

[(1, 18125416545), (3, 6041805515), (5, 3625083309), (15, 1208361103), (43, 421521315), (129, 140507105), (215, 84304263), (645, 28101421)]