2197349721

素因数分解:

$3^3\times 7^1\times {\mathrm{11626189}}^1$

素因数の和:11626205

約数の個数: 16

約数和(自身を含む): 3720380800

約数和(自身を除く): 1523031079

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 11626189, 34878567, 81383323, 104635701, 244149969, 313907103, 732449907, 2197349721]

約数ペア:

[(1, 2197349721), (3, 732449907), (7, 313907103), (9, 244149969), (21, 104635701), (27, 81383323), (63, 34878567), (189, 11626189)]