2080978605

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1249837}}^1$

素因数の和:1249885

約数の個数: 24

約数和(自身を含む): 3704519832

約数和(自身を除く): 1623541227

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 1249837, 3749511, 6249185, 11248533, 18747555, 46243969, 56242665, 138731907, 231219845, 416195721, 693659535, 2080978605]

約数ペア:

[(1, 2080978605), (3, 693659535), (5, 416195721), (9, 231219845), (15, 138731907), (37, 56242665), (45, 46243969), (111, 18747555), (185, 11248533), (333, 6249185), (555, 3749511), (1665, 1249837)]