51385887

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11821}}^1$

素因数の和:11860

約数の個数: 32

約数和(自身を含む): 90792960

約数和(自身を除く): 39407073

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 11821, 35463, 82747, 106389, 248241, 271883, 319167, 744723, 815649, 1903181, 2234169, 2446947, 5709543, 7340841, 17128629, 51385887]

約数ペア:

[(1, 51385887), (3, 17128629), (7, 7340841), (9, 5709543), (21, 2446947), (23, 2234169), (27, 1903181), (63, 815649), (69, 744723), (161, 319167), (189, 271883), (207, 248241), (483, 106389), (621, 82747), (1449, 35463), (4347, 11821)]