4981389

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 7987200

約数和(自身を除く): 3005811

約数列:

[1, 3, 7, 21, 47, 49, 103, 141, 147, 309, 329, 343, 721, 987, 1029, 2163, 2303, 4841, 5047, 6909, 14523, 15141, 16121, 33887, 35329, 48363, 101661, 105987, 237209, 711627, 1660463, 4981389]

約数ペア:

[(1, 4981389), (3, 1660463), (7, 711627), (21, 237209), (47, 105987), (49, 101661), (103, 48363), (141, 35329), (147, 33887), (309, 16121), (329, 15141), (343, 14523), (721, 6909), (987, 5047), (1029, 4841), (2163, 2303)]