28383525

素因数分解:

$3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1366

約数の個数: 36

約数和(自身を含む): 51382500

約数和(自身を除く): 22998975

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 225, 303, 505, 909, 1249, 1515, 2525, 3747, 4545, 6245, 7575, 11241, 18735, 22725, 31225, 56205, 93675, 126149, 281025, 378447, 630745, 1135341, 1892235, 3153725, 5676705, 9461175, 28383525]

約数ペア:

[(1, 28383525), (3, 9461175), (5, 5676705), (9, 3153725), (15, 1892235), (25, 1135341), (45, 630745), (75, 378447), (101, 281025), (225, 126149), (303, 93675), (505, 56205), (909, 31225), (1249, 22725), (1515, 18735), (2525, 11241), (3747, 7575), (4545, 6245)]