28817475

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{2221}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 47941872

約数和(自身を除く): 19124397

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2221, 2595, 4325, 6663, 11105, 12975, 33315, 55525, 166575, 384233, 1152699, 1921165, 5763495, 9605825, 28817475]

約数ペア:

[(1, 28817475), (3, 9605825), (5, 5763495), (15, 1921165), (25, 1152699), (75, 384233), (173, 166575), (519, 55525), (865, 33315), (2221, 12975), (2595, 11105), (4325, 6663)]