240131213

素因数分解:

$7^4\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1102

約数の個数: 20

約数和(自身を含む): 283147488

約数和(自身を除く): 43016275

約数列:

[1, 7, 49, 103, 343, 721, 971, 2401, 5047, 6797, 35329, 47579, 100013, 247303, 333053, 700091, 2331371, 4900637, 34304459, 240131213]

約数ペア:

[(1, 240131213), (7, 34304459), (49, 4900637), (103, 2331371), (343, 700091), (721, 333053), (971, 247303), (2401, 100013), (5047, 47579), (6797, 35329)]