972855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 1817088

約数和(自身を除く): 844233

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1663, 4989, 8315, 14967, 21619, 24945, 64857, 74835, 108095, 194571, 324285, 972855]

約数ペア:

[(1, 972855), (3, 324285), (5, 194571), (9, 108095), (13, 74835), (15, 64857), (39, 24945), (45, 21619), (65, 14967), (117, 8315), (195, 4989), (585, 1663)]