28619925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22447}}^1$

素因数の和:22477

約数の個数: 24

約数和(自身を含む): 50103936

約数和(自身を除く): 21484011

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22447, 67341, 112235, 336705, 381599, 561175, 1144797, 1683525, 1907995, 5723985, 9539975, 28619925]

約数ペア:

[(1, 28619925), (3, 9539975), (5, 5723985), (15, 1907995), (17, 1683525), (25, 1144797), (51, 561175), (75, 381599), (85, 336705), (255, 112235), (425, 67341), (1275, 22447)]