28904175

素因数分解:

$3^3\times 5^2\times {\mathrm{42821}}^1$

素因数の和:42840

約数の個数: 24

約数和(自身を含む): 53099280

約数和(自身を除く): 24195105

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 42821, 128463, 214105, 385389, 642315, 1070525, 1156167, 1926945, 3211575, 5780835, 9634725, 28904175]

約数ペア:

[(1, 28904175), (3, 9634725), (5, 5780835), (9, 3211575), (15, 1926945), (25, 1156167), (27, 1070525), (45, 642315), (75, 385389), (135, 214105), (225, 128463), (675, 42821)]