1985715

素因数分解:

$3^4\times 5^1\times {\mathrm{4903}}^1$

素因数の和:4920

約数の個数: 20

約数和(自身を含む): 3560304

約数和(自身を除く): 1574589

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4903, 14709, 24515, 44127, 73545, 132381, 220635, 397143, 661905, 1985715]

約数ペア:

[(1, 1985715), (3, 661905), (5, 397143), (9, 220635), (15, 132381), (27, 73545), (45, 44127), (81, 24515), (135, 14709), (405, 4903)]