3919995

素因数分解:

$3^4\times 5^1\times {\mathrm{9679}}^1$

素因数の和:9696

約数の個数: 20

約数和(自身を含む): 7027680

約数和(自身を除く): 3107685

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9679, 29037, 48395, 87111, 145185, 261333, 435555, 783999, 1306665, 3919995]

約数ペア:

[(1, 3919995), (3, 1306665), (5, 783999), (9, 435555), (15, 261333), (27, 145185), (45, 87111), (81, 48395), (135, 29037), (405, 9679)]