15679251

素因数分解:

$3^4\times 7^1\times {\mathrm{27653}}^1$

素因数の和:27672

約数の個数: 20

約数和(自身を含む): 26769072

約数和(自身を除く): 11089821

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27653, 82959, 193571, 248877, 580713, 746631, 1742139, 2239893, 5226417, 15679251]

約数ペア:

[(1, 15679251), (3, 5226417), (7, 2239893), (9, 1742139), (21, 746631), (27, 580713), (63, 248877), (81, 193571), (189, 82959), (567, 27653)]