69105555

素因数分解:

$3^6\times 5^1\times {\mathrm{18959}}^1$

素因数の和:18982

約数の個数: 28

約数和(自身を含む): 124339680

約数和(自身を除く): 55234125

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 18959, 56877, 94795, 170631, 284385, 511893, 853155, 1535679, 2559465, 4607037, 7678395, 13821111, 23035185, 69105555]

約数ペア:

[(1, 69105555), (3, 23035185), (5, 13821111), (9, 7678395), (15, 4607037), (27, 2559465), (45, 1535679), (81, 853155), (135, 511893), (243, 284385), (405, 170631), (729, 94795), (1215, 56877), (3645, 18959)]