78481857

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1\times {\mathrm{701}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 106546752

約数和(自身を除く): 28064895

約数列:

[1, 3, 67, 201, 557, 701, 1671, 2103, 37319, 46967, 111957, 140901, 390457, 1171371, 26160619, 78481857]

約数ペア:

[(1, 78481857), (3, 26160619), (67, 1171371), (201, 390457), (557, 140901), (701, 111957), (1671, 46967), (2103, 37319)]