17712807

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 11041113

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 431, 721, 1293, 1957, 2163, 3017, 5871, 8189, 9051, 13699, 24567, 41097, 44393, 57323, 133179, 171969, 310751, 843467, 932253, 2530401, 5904269, 17712807]

約数ペア:

[(1, 17712807), (3, 5904269), (7, 2530401), (19, 932253), (21, 843467), (57, 310751), (103, 171969), (133, 133179), (309, 57323), (399, 44393), (431, 41097), (721, 24567), (1293, 13699), (1957, 9051), (2163, 8189), (3017, 5871)]