3900555

素因数分解:

$3^4\times 5^1\times {\mathrm{9631}}^1$

素因数の和:9648

約数の個数: 20

約数和(自身を含む): 6992832

約数和(自身を除く): 3092277

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9631, 28893, 48155, 86679, 144465, 260037, 433395, 780111, 1300185, 3900555]

約数ペア:

[(1, 3900555), (3, 1300185), (5, 780111), (9, 433395), (15, 260037), (27, 144465), (45, 86679), (81, 48155), (135, 28893), (405, 9631)]