290389941

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{10831}}^1$

素因数の和:11174

約数の個数: 20

約数和(自身を含む): 435143104

約数和(自身を除く): 144753163

約数列:

[1, 3, 9, 27, 81, 331, 993, 2979, 8937, 10831, 26811, 32493, 97479, 292437, 877311, 3585061, 10755183, 32265549, 96796647, 290389941]

約数ペア:

[(1, 290389941), (3, 96796647), (9, 32265549), (27, 10755183), (81, 3585061), (331, 877311), (993, 292437), (2979, 97479), (8937, 32493), (10831, 26811)]