11513259

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7481}}^1$

素因数の和:7512

約数の個数: 20

約数和(自身を含む): 18106440

約数和(自身を除く): 6593181

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7481, 22443, 67329, 142139, 201987, 426417, 605961, 1279251, 3837753, 11513259]

約数ペア:

[(1, 11513259), (3, 3837753), (9, 1279251), (19, 605961), (27, 426417), (57, 201987), (81, 142139), (171, 67329), (513, 22443), (1539, 7481)]