198479919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1753}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 299049984

約数和(自身を除く): 100570065

約数列:

[1, 3, 11, 33, 47, 73, 141, 219, 517, 803, 1551, 1753, 2409, 3431, 5259, 10293, 19283, 37741, 57849, 82391, 113223, 127969, 247173, 383907, 906301, 1407659, 2718903, 4222977, 6014543, 18043629, 66159973, 198479919]

約数ペア:

[(1, 198479919), (3, 66159973), (11, 18043629), (33, 6014543), (47, 4222977), (73, 2718903), (141, 1407659), (219, 906301), (517, 383907), (803, 247173), (1551, 127969), (1753, 113223), (2409, 82391), (3431, 57849), (5259, 37741), (10293, 19283)]