78787215

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{44893}}^1$

素因数の和:44920

約数の個数: 32

約数和(自身を含む): 150843840

約数和(自身を除く): 72056625

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 44893, 134679, 224465, 404037, 583609, 673395, 1212111, 1750827, 2020185, 2918045, 5252481, 6060555, 8754135, 15757443, 26262405, 78787215]

約数ペア:

[(1, 78787215), (3, 26262405), (5, 15757443), (9, 8754135), (13, 6060555), (15, 5252481), (27, 2918045), (39, 2020185), (45, 1750827), (65, 1212111), (117, 673395), (135, 583609), (195, 404037), (351, 224465), (585, 134679), (1755, 44893)]