28818885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{811}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 48642048

約数和(自身を除く): 19823163

約数列:

[1, 3, 5, 15, 23, 69, 103, 115, 309, 345, 515, 811, 1545, 2369, 2433, 4055, 7107, 11845, 12165, 18653, 35535, 55959, 83533, 93265, 250599, 279795, 417665, 1252995, 1921259, 5763777, 9606295, 28818885]

約数ペア:

[(1, 28818885), (3, 9606295), (5, 5763777), (15, 1921259), (23, 1252995), (69, 417665), (103, 279795), (115, 250599), (309, 93265), (345, 83533), (515, 55959), (811, 35535), (1545, 18653), (2369, 12165), (2433, 11845), (4055, 7107)]