1284417

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 20

約数和(自身を含む): 1950036

約数和(自身を除く): 665619

約数列:

[1, 3, 9, 27, 81, 101, 157, 303, 471, 909, 1413, 2727, 4239, 8181, 12717, 15857, 47571, 142713, 428139, 1284417]

約数ペア:

[(1, 1284417), (3, 428139), (9, 142713), (27, 47571), (81, 15857), (101, 12717), (157, 8181), (303, 4239), (471, 2727), (909, 1413)]