289553691

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{27743}}^1$

素因数の和:27831

約数の個数: 24

約数和(自身を含む): 455445504

約数和(自身を除く): 165891813

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 27743, 83229, 194201, 582603, 1359407, 1969753, 4078221, 5909259, 13788271, 41364813, 96517897, 289553691]

約数ペア:

[(1, 289553691), (3, 96517897), (7, 41364813), (21, 13788271), (49, 5909259), (71, 4078221), (147, 1969753), (213, 1359407), (497, 582603), (1491, 194201), (3479, 83229), (10437, 27743)]