1990089

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 20

約数和(自身を含む): 3020160

約数和(自身を除く): 1030071

約数列:

[1, 3, 9, 27, 79, 81, 237, 311, 711, 933, 2133, 2799, 6399, 8397, 24569, 25191, 73707, 221121, 663363, 1990089]

約数ペア:

[(1, 1990089), (3, 663363), (9, 221121), (27, 73707), (79, 25191), (81, 24569), (237, 8397), (311, 6399), (711, 2799), (933, 2133)]