2178423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 3475472

約数和(自身を除く): 1297049

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 433, 559, 1299, 1677, 3897, 5031, 5629, 16887, 18619, 50661, 55857, 167571, 242047, 726141, 2178423]

約数ペア:

[(1, 2178423), (3, 726141), (9, 242047), (13, 167571), (39, 55857), (43, 50661), (117, 18619), (129, 16887), (387, 5629), (433, 5031), (559, 3897), (1299, 1677)]