28687545

素因数分解:

$3^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{829}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 49849800

約数和(自身を除く): 21162255

約数列:

[1, 3, 5, 9, 15, 45, 769, 829, 2307, 2487, 3845, 4145, 6921, 7461, 11535, 12435, 34605, 37305, 637501, 1912503, 3187505, 5737509, 9562515, 28687545]

約数ペア:

[(1, 28687545), (3, 9562515), (5, 5737509), (9, 3187505), (15, 1912503), (45, 637501), (769, 37305), (829, 34605), (2307, 12435), (2487, 11535), (3845, 7461), (4145, 6921)]