72142731

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{7013}}^1$

素因数の和:7152

約数の個数: 20

約数和(自身を含む): 108632832

約数和(自身を除く): 36490101

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 7013, 10287, 21039, 63117, 189351, 568053, 890651, 2671953, 8015859, 24047577, 72142731]

約数ペア:

[(1, 72142731), (3, 24047577), (9, 8015859), (27, 2671953), (81, 890651), (127, 568053), (381, 189351), (1143, 63117), (3429, 21039), (7013, 10287)]