128580543

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8263}}^1$

素因数の和:8308

約数の個数: 48

約数和(自身を含む): 240647680

約数和(自身を除く): 112067137

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 8263, 15561, 24789, 57841, 74367, 107419, 156997, 173523, 322257, 470991, 520569, 751933, 966771, 1098979, 1412973, 2040961, 2255799, 3296937, 6122883, 6767397, 9890811, 14286727, 18368649, 42860181, 128580543]

約数ペア:

[(1, 128580543), (3, 42860181), (7, 18368649), (9, 14286727), (13, 9890811), (19, 6767397), (21, 6122883), (39, 3296937), (57, 2255799), (63, 2040961), (91, 1412973), (117, 1098979), (133, 966771), (171, 751933), (247, 520569), (273, 470991), (399, 322257), (741, 173523), (819, 156997), (1197, 107419), (1729, 74367), (2223, 57841), (5187, 24789), (8263, 15561)]