28485675

素因数分解:

$3^7\times 5^2\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 53076960

約数和(自身を除く): 24591285

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 521, 675, 729, 1215, 1563, 2025, 2187, 2605, 3645, 4689, 6075, 7815, 10935, 13025, 14067, 18225, 23445, 39075, 42201, 54675, 70335, 117225, 126603, 211005, 351675, 379809, 633015, 1055025, 1139427, 1899045, 3165075, 5697135, 9495225, 28485675]

約数ペア:

[(1, 28485675), (3, 9495225), (5, 5697135), (9, 3165075), (15, 1899045), (25, 1139427), (27, 1055025), (45, 633015), (75, 379809), (81, 351675), (135, 211005), (225, 126603), (243, 117225), (405, 70335), (521, 54675), (675, 42201), (729, 39075), (1215, 23445), (1563, 18225), (2025, 14067), (2187, 13025), (2605, 10935), (3645, 7815), (4689, 6075)]