521014767

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{7919}}^1$

素因数の和:8183

約数の個数: 32

約数和(自身を含む): 858654720

約数和(自身を除く): 337639953

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 723, 1687, 3133, 5061, 7919, 9399, 21931, 23757, 55433, 65793, 102947, 166299, 308841, 720629, 1908479, 2161887, 5725437, 13359353, 24810227, 40078059, 74430681, 173671589, 521014767]

約数ペア:

[(1, 521014767), (3, 173671589), (7, 74430681), (13, 40078059), (21, 24810227), (39, 13359353), (91, 5725437), (241, 2161887), (273, 1908479), (723, 720629), (1687, 308841), (3133, 166299), (5061, 102947), (7919, 65793), (9399, 55433), (21931, 23757)]