28679775

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3011}}^1$

素因数の和:3151

約数の個数: 24

約数和(自身を含む): 47806464

約数和(自身を除く): 19126689

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 3011, 3175, 9033, 9525, 15055, 45165, 75275, 225825, 382397, 1147191, 1911985, 5735955, 9559925, 28679775]

約数ペア:

[(1, 28679775), (3, 9559925), (5, 5735955), (15, 1911985), (25, 1147191), (75, 382397), (127, 225825), (381, 75275), (635, 45165), (1905, 15055), (3011, 9525), (3175, 9033)]