895909815

素因数分解:

$3^4\times 5^1\times {\mathrm{2212123}}^1$

素因数の和:2212140

約数の個数: 20

約数和(自身を含む): 1606002024

約数和(自身を除く): 710092209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2212123, 6636369, 11060615, 19909107, 33181845, 59727321, 99545535, 179181963, 298636605, 895909815]

約数ペア:

[(1, 895909815), (3, 298636605), (5, 179181963), (9, 99545535), (15, 59727321), (27, 33181845), (45, 19909107), (81, 11060615), (135, 6636369), (405, 2212123)]