2018515545

素因数分解:

$3^4\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{2341}}^1$

素因数の和:4487

約数の個数: 40

約数和(自身を含む): 3621621960

約数和(自身を除く): 1603106415

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2129, 2341, 6387, 7023, 10645, 11705, 19161, 21069, 31935, 35115, 57483, 63207, 95805, 105345, 172449, 189621, 287415, 316035, 862245, 948105, 4983989, 14951967, 24919945, 44855901, 74759835, 134567703, 224279505, 403703109, 672838515, 2018515545]

約数ペア:

[(1, 2018515545), (3, 672838515), (5, 403703109), (9, 224279505), (15, 134567703), (27, 74759835), (45, 44855901), (81, 24919945), (135, 14951967), (405, 4983989), (2129, 948105), (2341, 862245), (6387, 316035), (7023, 287415), (10645, 189621), (11705, 172449), (19161, 105345), (21069, 95805), (31935, 63207), (35115, 57483)]