7919181

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 12672000

約数和(自身を除く): 4752819

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 359, 387, 513, 817, 1077, 1161, 2451, 3231, 6821, 7353, 9693, 15437, 20463, 22059, 46311, 61389, 138933, 184167, 293303, 416799, 879909, 2639727, 7919181]

約数ペア:

[(1, 7919181), (3, 2639727), (9, 879909), (19, 416799), (27, 293303), (43, 184167), (57, 138933), (129, 61389), (171, 46311), (359, 22059), (387, 20463), (513, 15437), (817, 9693), (1077, 7353), (1161, 6821), (2451, 3231)]