108891279

素因数分解:

$3^2\times 7^2\times {\mathrm{246919}}^1$

素因数の和:246939

約数の個数: 18

約数和(自身を含む): 182967720

約数和(自身を除く): 74076441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 246919, 740757, 1728433, 2222271, 5185299, 12099031, 15555897, 36297093, 108891279]

約数ペア:

[(1, 108891279), (3, 36297093), (7, 15555897), (9, 12099031), (21, 5185299), (49, 2222271), (63, 1728433), (147, 740757), (441, 246919)]