39640995

素因数分解:

$3^4\times 5^1\times {\mathrm{97879}}^1$

素因数の和:97896

約数の個数: 20

約数和(自身を含む): 71060880

約数和(自身を除く): 31419885

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 97879, 293637, 489395, 880911, 1468185, 2642733, 4404555, 7928199, 13213665, 39640995]

約数ペア:

[(1, 39640995), (3, 13213665), (5, 7928199), (9, 4404555), (15, 2642733), (27, 1468185), (45, 880911), (81, 489395), (135, 293637), (405, 97879)]