201919509

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{4463}}^1$

素因数の和:4937

約数の個数: 24

約数和(自身を含む): 318943872

約数和(自身を除く): 117024363

約数列:

[1, 3, 9, 11, 33, 99, 457, 1371, 4113, 4463, 5027, 13389, 15081, 40167, 45243, 49093, 147279, 441837, 2039591, 6118773, 18356319, 22435501, 67306503, 201919509]

約数ペア:

[(1, 201919509), (3, 67306503), (9, 22435501), (11, 18356319), (33, 6118773), (99, 2039591), (457, 441837), (1371, 147279), (4113, 49093), (4463, 45243), (5027, 40167), (13389, 15081)]