55862865

素因数分解:

$3^4\times 5^1\times {\mathrm{137933}}^1$

素因数の和:137950

約数の個数: 20

約数和(自身を含む): 100140084

約数和(自身を除く): 44277219

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 137933, 413799, 689665, 1241397, 2068995, 3724191, 6206985, 11172573, 18620955, 55862865]

約数ペア:

[(1, 55862865), (3, 18620955), (5, 11172573), (9, 6206985), (15, 3724191), (27, 2068995), (45, 1241397), (81, 689665), (135, 413799), (405, 137933)]