56478789

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{3469}}^1$

素因数の和:3551

約数の個数: 24

約数和(自身を含む): 85889440

約数和(自身を除く): 29410651

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1809, 3469, 5427, 10407, 16281, 31221, 93663, 232423, 280989, 697269, 842967, 2091807, 6275421, 18826263, 56478789]

約数ペア:

[(1, 56478789), (3, 18826263), (9, 6275421), (27, 2091807), (67, 842967), (81, 697269), (201, 280989), (243, 232423), (603, 93663), (1809, 31221), (3469, 16281), (5427, 10407)]