25979535

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2829

約数の個数: 40

約数和(自身を含む): 48612960

約数和(自身を除く): 22633425

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 2789, 3105, 8367, 9315, 13945, 25101, 41835, 64147, 75303, 125505, 192441, 225909, 320735, 376515, 577323, 962205, 1129545, 1731969, 2886615, 5195907, 8659845, 25979535]

約数ペア:

[(1, 25979535), (3, 8659845), (5, 5195907), (9, 2886615), (15, 1731969), (23, 1129545), (27, 962205), (45, 577323), (69, 376515), (81, 320735), (115, 225909), (135, 192441), (207, 125505), (345, 75303), (405, 64147), (621, 41835), (1035, 25101), (1863, 13945), (2789, 9315), (3105, 8367)]