40261779

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26161}}^1$

素因数の和:26192

約数の個数: 20

約数和(自身を含む): 63312040

約数和(自身を除く): 23050261

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26161, 78483, 235449, 497059, 706347, 1491177, 2119041, 4473531, 13420593, 40261779]

約数ペア:

[(1, 40261779), (3, 13420593), (9, 4473531), (19, 2119041), (27, 1491177), (57, 706347), (81, 497059), (171, 235449), (513, 78483), (1539, 26161)]