81321891

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{82393}}^1$

素因数の和:82450

約数の個数: 16

約数和(自身を含む): 126557184

約数和(自身を除く): 45235293

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 82393, 247179, 576751, 1730253, 3872471, 11617413, 27107297, 81321891]

約数ペア:

[(1, 81321891), (3, 27107297), (7, 11617413), (21, 3872471), (47, 1730253), (141, 576751), (329, 247179), (987, 82393)]