3986847891

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{143779}}^1$

素因数の和:143880

約数の個数: 32

約数和(自身を含む): 6441344000

約数和(自身を除く): 2454496109

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 1027, 2133, 3081, 9243, 27729, 143779, 431337, 1294011, 1869127, 3882033, 5607381, 11358541, 16822143, 34075623, 50466429, 102226869, 147661033, 306680607, 442983099, 1328949297, 3986847891]

約数ペア:

[(1, 3986847891), (3, 1328949297), (9, 442983099), (13, 306680607), (27, 147661033), (39, 102226869), (79, 50466429), (117, 34075623), (237, 16822143), (351, 11358541), (711, 5607381), (1027, 3882033), (2133, 1869127), (3081, 1294011), (9243, 431337), (27729, 143779)]