1247775

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 2095104

約数和(自身を除く): 847329

約数列:

[1, 3, 5, 15, 25, 75, 127, 131, 381, 393, 635, 655, 1905, 1965, 3175, 3275, 9525, 9825, 16637, 49911, 83185, 249555, 415925, 1247775]

約数ペア:

[(1, 1247775), (3, 415925), (5, 249555), (15, 83185), (25, 49911), (75, 16637), (127, 9825), (131, 9525), (381, 3275), (393, 3175), (635, 1965), (655, 1905)]