81280227

素因数分解:

$3^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{2819}}^1$

素因数の和:4202

約数の個数: 16

約数和(自身を含む): 123989760

約数和(自身を除く): 42709533

約数列:

[1, 3, 7, 21, 1373, 2819, 4119, 8457, 9611, 19733, 28833, 59199, 3870487, 11611461, 27093409, 81280227]

約数ペア:

[(1, 81280227), (3, 27093409), (7, 11611461), (21, 3870487), (1373, 59199), (2819, 28833), (4119, 19733), (8457, 9611)]