28713075

素因数分解:

$3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{1231}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 47663616

約数和(自身を除く): 18950541

約数列:

[1, 3, 5, 15, 25, 75, 311, 933, 1231, 1555, 3693, 4665, 6155, 7775, 18465, 23325, 30775, 92325, 382841, 1148523, 1914205, 5742615, 9571025, 28713075]

約数ペア:

[(1, 28713075), (3, 9571025), (5, 5742615), (15, 1914205), (25, 1148523), (75, 382841), (311, 92325), (933, 30775), (1231, 23325), (1555, 18465), (3693, 7775), (4665, 6155)]