620137701

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 56

約数和(自身を含む): 967995776

約数和(自身を除く): 347858075

約数列:

[1, 3, 9, 27, 43, 73, 81, 129, 219, 243, 271, 387, 657, 729, 813, 1161, 1971, 2439, 3139, 3483, 5913, 7317, 9417, 10449, 11653, 17739, 19783, 21951, 28251, 31347, 34959, 53217, 59349, 65853, 84753, 104877, 178047, 197559, 254259, 314631, 534141, 762777, 850669, 943893, 1602423, 2288331, 2552007, 2831679, 4807269, 7656021, 8495037, 14421807, 22968063, 68904189, 206712567, 620137701]

約数ペア:

[(1, 620137701), (3, 206712567), (9, 68904189), (27, 22968063), (43, 14421807), (73, 8495037), (81, 7656021), (129, 4807269), (219, 2831679), (243, 2552007), (271, 2288331), (387, 1602423), (657, 943893), (729, 850669), (813, 762777), (1161, 534141), (1971, 314631), (2439, 254259), (3139, 197559), (3483, 178047), (5913, 104877), (7317, 84753), (9417, 65853), (10449, 59349), (11653, 53217), (17739, 34959), (19783, 31347), (21951, 28251)]