168203421

素因数分解:

$3^2\times {\mathrm{991}}^1\times {\mathrm{18859}}^1$

素因数の和:19856

約数の個数: 12

約数和(自身を含む): 243218560

約数和(自身を除く): 75015139

約数列:

[1, 3, 9, 991, 2973, 8919, 18859, 56577, 169731, 18689269, 56067807, 168203421]

約数ペア:

[(1, 168203421), (3, 56067807), (9, 18689269), (991, 169731), (2973, 56577), (8919, 18859)]