13379985

素因数分解:

$3^4\times 5^1\times {\mathrm{33037}}^1$

素因数の和:33054

約数の個数: 20

約数和(自身を含む): 23985588

約数和(自身を除く): 10605603

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 33037, 99111, 165185, 297333, 495555, 891999, 1486665, 2675997, 4459995, 13379985]

約数ペア:

[(1, 13379985), (3, 4459995), (5, 2675997), (9, 1486665), (15, 891999), (27, 495555), (45, 297333), (81, 165185), (135, 99111), (405, 33037)]