78891309

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{8293}}^1$

素因数の和:8457

約数の個数: 24

約数和(自身を含む): 131111552

約数和(自身を除く): 52220243

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 3171, 8293, 9513, 24879, 58051, 74637, 174153, 522459, 1252243, 3756729, 8765701, 11270187, 26297103, 78891309]

約数ペア:

[(1, 78891309), (3, 26297103), (7, 11270187), (9, 8765701), (21, 3756729), (63, 1252243), (151, 522459), (453, 174153), (1057, 74637), (1359, 58051), (3171, 24879), (8293, 9513)]