1248615

素因数分解:

$3^4\times 5^1\times {\mathrm{3083}}^1$

素因数の和:3100

約数の個数: 20

約数和(自身を含む): 2238984

約数和(自身を除く): 990369

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3083, 9249, 15415, 27747, 46245, 83241, 138735, 249723, 416205, 1248615]

約数ペア:

[(1, 1248615), (3, 416205), (5, 249723), (9, 138735), (15, 83241), (27, 46245), (45, 27747), (81, 15415), (135, 9249), (405, 3083)]