81025311

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1\times {\mathrm{821}}^1$

素因数の和:1382

約数の個数: 16

約数和(自身を含む): 110003328

約数和(自身を除く): 28978017

約数列:

[1, 3, 67, 201, 491, 821, 1473, 2463, 32897, 55007, 98691, 165021, 403111, 1209333, 27008437, 81025311]

約数ペア:

[(1, 81025311), (3, 27008437), (67, 1209333), (201, 403111), (491, 165021), (821, 98691), (1473, 55007), (2463, 32897)]