9975555

素因数分解:

$3^4\times 5^1\times {\mathrm{24631}}^1$

素因数の和:24648

約数の個数: 20

約数和(自身を含む): 17882832

約数和(自身を除く): 7907277

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 24631, 73893, 123155, 221679, 369465, 665037, 1108395, 1995111, 3325185, 9975555]

約数ペア:

[(1, 9975555), (3, 3325185), (5, 1995111), (9, 1108395), (15, 665037), (27, 369465), (45, 221679), (81, 123155), (135, 73893), (405, 24631)]