77812917

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4831}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 129884160

約数和(自身を除く): 52071243

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 2301, 4831, 5369, 14493, 16107, 33817, 62803, 101451, 188409, 285029, 439621, 855087, 1318863, 1995203, 3705377, 5985609, 11116131, 25937639, 77812917]

約数ペア:

[(1, 77812917), (3, 25937639), (7, 11116131), (13, 5985609), (21, 3705377), (39, 1995203), (59, 1318863), (91, 855087), (177, 439621), (273, 285029), (413, 188409), (767, 101451), (1239, 62803), (2301, 33817), (4831, 16107), (5369, 14493)]