678536433

素因数分解:

$3^7\times {\mathrm{449}}^1\times {\mathrm{691}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 1021392000

約数和(自身を除く): 342855567

約数列:

[1, 3, 9, 27, 81, 243, 449, 691, 729, 1347, 2073, 2187, 4041, 6219, 12123, 18657, 36369, 55971, 109107, 167913, 310259, 327321, 503739, 930777, 981963, 1511217, 2792331, 8376993, 25130979, 75392937, 226178811, 678536433]

約数ペア:

[(1, 678536433), (3, 226178811), (9, 75392937), (27, 25130979), (81, 8376993), (243, 2792331), (449, 1511217), (691, 981963), (729, 930777), (1347, 503739), (2073, 327321), (2187, 310259), (4041, 167913), (6219, 109107), (12123, 55971), (18657, 36369)]