397351377

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 606627840

約数和(自身を除く): 209276463

約数列:

[1, 3, 9, 41, 61, 123, 127, 139, 183, 369, 381, 417, 549, 1143, 1251, 2501, 5207, 5699, 7503, 7747, 8479, 15621, 17097, 17653, 22509, 23241, 25437, 46863, 51291, 52959, 69723, 76311, 158877, 317627, 347639, 723773, 952881, 1042917, 1076833, 2171319, 2858643, 3128751, 3230499, 6513957, 9691497, 44150153, 132450459, 397351377]

約数ペア:

[(1, 397351377), (3, 132450459), (9, 44150153), (41, 9691497), (61, 6513957), (123, 3230499), (127, 3128751), (139, 2858643), (183, 2171319), (369, 1076833), (381, 1042917), (417, 952881), (549, 723773), (1143, 347639), (1251, 317627), (2501, 158877), (5207, 76311), (5699, 69723), (7503, 52959), (7747, 51291), (8479, 46863), (15621, 25437), (17097, 23241), (17653, 22509)]