20310927

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 34433280

約数和(自身を除く): 14122353

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 97, 169, 177, 273, 291, 413, 507, 679, 767, 1183, 1239, 1261, 2037, 2301, 3549, 3783, 5369, 5723, 8827, 9971, 16107, 16393, 17169, 26481, 29913, 40061, 49179, 69797, 74399, 114751, 120183, 209391, 223197, 344253, 520793, 967187, 1562379, 2901561, 6770309, 20310927]

約数ペア:

[(1, 20310927), (3, 6770309), (7, 2901561), (13, 1562379), (21, 967187), (39, 520793), (59, 344253), (91, 223197), (97, 209391), (169, 120183), (177, 114751), (273, 74399), (291, 69797), (413, 49179), (507, 40061), (679, 29913), (767, 26481), (1183, 17169), (1239, 16393), (1261, 16107), (2037, 9971), (2301, 8827), (3549, 5723), (3783, 5369)]