28718613

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 53539200

約数和(自身を除く): 24820587

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1429, 1827, 2233, 2871, 4287, 6699, 10003, 12861, 15719, 20097, 30009, 41441, 47157, 90027, 110033, 124323, 141471, 290087, 330099, 372969, 455851, 870261, 990297, 1367553, 2610783, 3190957, 4102659, 9572871, 28718613]

約数ペア:

[(1, 28718613), (3, 9572871), (7, 4102659), (9, 3190957), (11, 2610783), (21, 1367553), (29, 990297), (33, 870261), (63, 455851), (77, 372969), (87, 330099), (99, 290087), (203, 141471), (231, 124323), (261, 110033), (319, 90027), (609, 47157), (693, 41441), (957, 30009), (1429, 20097), (1827, 15719), (2233, 12861), (2871, 10003), (4287, 6699)]