81280997

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{929}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 96422400

約数和(自身を除く): 15141403

約数列:

[1, 7, 29, 203, 431, 929, 3017, 6503, 12499, 26941, 87493, 188587, 400399, 2802793, 11611571, 81280997]

約数ペア:

[(1, 81280997), (7, 11611571), (29, 2802793), (203, 400399), (431, 188587), (929, 87493), (3017, 26941), (6503, 12499)]