2101545

素因数分解:

$3^4\times 5^1\times {\mathrm{5189}}^1$

素因数の和:5206

約数の個数: 20

約数和(自身を含む): 3767940

約数和(自身を除く): 1666395

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5189, 15567, 25945, 46701, 77835, 140103, 233505, 420309, 700515, 2101545]

約数ペア:

[(1, 2101545), (3, 700515), (5, 420309), (9, 233505), (15, 140103), (27, 77835), (45, 46701), (81, 25945), (135, 15567), (405, 5189)]