28202775

素因数分解:

$3^1\times 5^2\times {\mathrm{523}}^1\times {\mathrm{719}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 46782720

約数和(自身を除く): 18579945

約数列:

[1, 3, 5, 15, 25, 75, 523, 719, 1569, 2157, 2615, 3595, 7845, 10785, 13075, 17975, 39225, 53925, 376037, 1128111, 1880185, 5640555, 9400925, 28202775]

約数ペア:

[(1, 28202775), (3, 9400925), (5, 5640555), (15, 1880185), (25, 1128111), (75, 376037), (523, 53925), (719, 39225), (1569, 17975), (2157, 13075), (2615, 10785), (3595, 7845)]