15281865

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 27747720

約数和(自身を除く): 12465855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 389, 405, 485, 873, 1167, 1455, 1945, 2619, 3501, 4365, 5835, 7857, 10503, 13095, 17505, 31509, 37733, 39285, 52515, 113199, 157545, 188665, 339597, 565995, 1018791, 1697985, 3056373, 5093955, 15281865]

約数ペア:

[(1, 15281865), (3, 5093955), (5, 3056373), (9, 1697985), (15, 1018791), (27, 565995), (45, 339597), (81, 188665), (97, 157545), (135, 113199), (291, 52515), (389, 39285), (405, 37733), (485, 31509), (873, 17505), (1167, 13095), (1455, 10503), (1945, 7857), (2619, 5835), (3501, 4365)]