168072021

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{110501}}^1$

素因数の和:110533

約数の個数: 18

約数和(自身を含む): 262884258

約数和(自身を除く): 94812237

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 110501, 331503, 994509, 1436513, 4309539, 12928617, 18674669, 56024007, 168072021]

約数ペア:

[(1, 168072021), (3, 56024007), (9, 18674669), (13, 12928617), (39, 4309539), (117, 1436513), (169, 994509), (507, 331503), (1521, 110501)]