7842609

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 12360960

約数和(自身を除く): 4518351

約数列:

[1, 3, 9, 23, 27, 69, 73, 173, 207, 219, 519, 621, 657, 1557, 1679, 1971, 3979, 4671, 5037, 11937, 12629, 15111, 35811, 37887, 45333, 107433, 113661, 290467, 340983, 871401, 2614203, 7842609]

約数ペア:

[(1, 7842609), (3, 2614203), (9, 871401), (23, 340983), (27, 290467), (69, 113661), (73, 107433), (173, 45333), (207, 37887), (219, 35811), (519, 15111), (621, 12629), (657, 11937), (1557, 5037), (1679, 4671), (1971, 3979)]