207559247

素因数分解:

$7^4\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:796

約数の個数: 20

約数和(自身を含む): 244292016

約数和(自身を除く): 36732769

約数列:

[1, 7, 49, 137, 343, 631, 959, 2401, 4417, 6713, 30919, 46991, 86447, 216433, 328937, 605129, 1515031, 4235903, 29651321, 207559247]

約数ペア:

[(1, 207559247), (7, 29651321), (49, 4235903), (137, 1515031), (343, 605129), (631, 328937), (959, 216433), (2401, 86447), (4417, 46991), (6713, 30919)]