28287345

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 47185920

約数和(自身を除く): 18898575

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 381, 465, 479, 635, 1437, 1905, 2395, 3937, 7185, 11811, 14849, 19685, 44547, 59055, 60833, 74245, 182499, 222735, 304165, 912495, 1885823, 5657469, 9429115, 28287345]

約数ペア:

[(1, 28287345), (3, 9429115), (5, 5657469), (15, 1885823), (31, 912495), (93, 304165), (127, 222735), (155, 182499), (381, 74245), (465, 60833), (479, 59055), (635, 44547), (1437, 19685), (1905, 14849), (2395, 11811), (3937, 7185)]