81664491

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1\times {\mathrm{751}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 110862848

約数和(自身を除く): 29198357

約数列:

[1, 3, 67, 201, 541, 751, 1623, 2253, 36247, 50317, 108741, 150951, 406291, 1218873, 27221497, 81664491]

約数ペア:

[(1, 81664491), (3, 27221497), (67, 1218873), (201, 406291), (541, 150951), (751, 108741), (1623, 50317), (2253, 36247)]