28218975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{10169}}^1$

素因数の和:10219

約数の個数: 24

約数和(自身を含む): 47921040

約数和(自身を除く): 19702065

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 10169, 30507, 50845, 152535, 254225, 376253, 762675, 1128759, 1881265, 5643795, 9406325, 28218975]

約数ペア:

[(1, 28218975), (3, 9406325), (5, 5643795), (15, 1881265), (25, 1128759), (37, 762675), (75, 376253), (111, 254225), (185, 152535), (555, 50845), (925, 30507), (2775, 10169)]