28497075

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{929}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 47281200

約数和(自身を除く): 18784125

約数列:

[1, 3, 5, 15, 25, 75, 409, 929, 1227, 2045, 2787, 4645, 6135, 10225, 13935, 23225, 30675, 69675, 379961, 1139883, 1899805, 5699415, 9499025, 28497075]

約数ペア:

[(1, 28497075), (3, 9499025), (5, 5699415), (15, 1899805), (25, 1139883), (75, 379961), (409, 69675), (929, 30675), (1227, 23225), (2045, 13935), (2787, 10225), (4645, 6135)]