28845525

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5417}}^1$

素因数の和:5501

約数の個数: 24

約数和(自身を含む): 48371904

約数和(自身を除く): 19526379

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 5417, 16251, 27085, 81255, 135425, 384607, 406275, 1153821, 1923035, 5769105, 9615175, 28845525]

約数ペア:

[(1, 28845525), (3, 9615175), (5, 5769105), (15, 1923035), (25, 1153821), (71, 406275), (75, 384607), (213, 135425), (355, 81255), (1065, 27085), (1775, 16251), (5325, 5417)]