254423985

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 417711360

約数和(自身を除く): 163287375

約数列:

[1, 3, 5, 15, 61, 109, 183, 305, 327, 545, 915, 1635, 2551, 6649, 7653, 12755, 19947, 33245, 38265, 99735, 155611, 278059, 466833, 778055, 834177, 1390295, 2334165, 4170885, 16961599, 50884797, 84807995, 254423985]

約数ペア:

[(1, 254423985), (3, 84807995), (5, 50884797), (15, 16961599), (61, 4170885), (109, 2334165), (183, 1390295), (305, 834177), (327, 778055), (545, 466833), (915, 278059), (1635, 155611), (2551, 99735), (6649, 38265), (7653, 33245), (12755, 19947)]