1990269

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 3082560

約数和(自身を除く): 1092291

約数列:

[1, 3, 9, 19, 57, 103, 113, 171, 309, 339, 927, 1017, 1957, 2147, 5871, 6441, 11639, 17613, 19323, 34917, 104751, 221141, 663423, 1990269]

約数ペア:

[(1, 1990269), (3, 663423), (9, 221141), (19, 104751), (57, 34917), (103, 19323), (113, 17613), (171, 11639), (309, 6441), (339, 5871), (927, 2147), (1017, 1957)]