2040615

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 3573648

約数和(自身を除く): 1533033

約数列:

[1, 3, 5, 9, 15, 45, 137, 331, 411, 685, 993, 1233, 1655, 2055, 2979, 4965, 6165, 14895, 45347, 136041, 226735, 408123, 680205, 2040615]

約数ペア:

[(1, 2040615), (3, 680205), (5, 408123), (9, 226735), (15, 136041), (45, 45347), (137, 14895), (331, 6165), (411, 4965), (685, 2979), (993, 2055), (1233, 1655)]