28004925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28723}}^1$

素因数の和:28749

約数の個数: 24

約数和(自身を含む): 49864864

約数和(自身を除く): 21859939

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 28723, 86169, 143615, 373399, 430845, 718075, 1120197, 1866995, 2154225, 5600985, 9334975, 28004925]

約数ペア:

[(1, 28004925), (3, 9334975), (5, 5600985), (13, 2154225), (15, 1866995), (25, 1120197), (39, 718075), (65, 430845), (75, 373399), (195, 143615), (325, 86169), (975, 28723)]