201817479

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 288138240

約数和(自身を除く): 86320761

約数列:

[1, 3, 23, 69, 73, 103, 219, 309, 389, 1167, 1679, 2369, 5037, 7107, 7519, 8947, 22557, 26841, 28397, 40067, 85191, 120201, 172937, 518811, 653131, 921541, 1959393, 2764623, 2924891, 8774673, 67272493, 201817479]

約数ペア:

[(1, 201817479), (3, 67272493), (23, 8774673), (69, 2924891), (73, 2764623), (103, 1959393), (219, 921541), (309, 653131), (389, 518811), (1167, 172937), (1679, 120201), (2369, 85191), (5037, 40067), (7107, 28397), (7519, 26841), (8947, 22557)]