9780015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1$

素因数の和:5511

約数の個数: 32

約数和(自身を含む): 18938880

約数和(自身を除く): 9158865

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 5479, 16437, 27395, 38353, 82185, 93143, 115059, 191765, 279429, 465715, 575295, 652001, 1397145, 1956003, 3260005, 9780015]

約数ペア:

[(1, 9780015), (3, 3260005), (5, 1956003), (7, 1397145), (15, 652001), (17, 575295), (21, 465715), (35, 279429), (51, 191765), (85, 115059), (105, 93143), (119, 82185), (255, 38353), (357, 27395), (595, 16437), (1785, 5479)]