56739681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 86580000

約数和(自身を除く): 29840319

約数列:

[1, 3, 9, 19, 57, 171, 449, 739, 1347, 2217, 4041, 6651, 8531, 14041, 25593, 42123, 76779, 126369, 331811, 995433, 2986299, 6304409, 18913227, 56739681]

約数ペア:

[(1, 56739681), (3, 18913227), (9, 6304409), (19, 2986299), (57, 995433), (171, 331811), (449, 126369), (739, 76779), (1347, 42123), (2217, 25593), (4041, 14041), (6651, 8531)]