289665

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 517608

約数和(自身を除く): 227943

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 157, 205, 369, 471, 615, 785, 1413, 1845, 2355, 6437, 7065, 19311, 32185, 57933, 96555, 289665]

約数ペア:

[(1, 289665), (3, 96555), (5, 57933), (9, 32185), (15, 19311), (41, 7065), (45, 6437), (123, 2355), (157, 1845), (205, 1413), (369, 785), (471, 615)]