13991859

素因数分解:

$3^4\times 7^1\times {\mathrm{24677}}^1$

素因数の和:24696

約数の個数: 20

約数和(自身を含む): 23888304

約数和(自身を除く): 9896445

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 24677, 74031, 172739, 222093, 518217, 666279, 1554651, 1998837, 4663953, 13991859]

約数ペア:

[(1, 13991859), (3, 4663953), (7, 1998837), (9, 1554651), (21, 666279), (27, 518217), (63, 222093), (81, 172739), (189, 74031), (567, 24677)]