28201722525

素因数分解:

$3^2\times 5^2\times {\mathrm{125340989}}^1$

素因数の和:125341005

約数の個数: 18

約数和(自身を含む): 50512418970

約数和(自身を除く): 22310696445

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 125340989, 376022967, 626704945, 1128068901, 1880114835, 3133524725, 5640344505, 9400574175, 28201722525]

約数ペア:

[(1, 28201722525), (3, 9400574175), (5, 5640344505), (9, 3133524725), (15, 1880114835), (25, 1128068901), (45, 626704945), (75, 376022967), (225, 125340989)]