72187929

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{81019}}^1$

素因数の和:81042

約数の個数: 20

約数和(自身を含む): 117641040

約数和(自身を除く): 45453111

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 81019, 243057, 729171, 891209, 2187513, 2673627, 6562539, 8020881, 24062643, 72187929]

約数ペア:

[(1, 72187929), (3, 24062643), (9, 8020881), (11, 6562539), (27, 2673627), (33, 2187513), (81, 891209), (99, 729171), (297, 243057), (891, 81019)]