77409999

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{6329}}^1$

素因数の和:6492

約数の個数: 20

約数和(自身を含む): 116421360

約数和(自身を除く): 39011361

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 6329, 12231, 18987, 56961, 170883, 512649, 955679, 2867037, 8601111, 25803333, 77409999]

約数ペア:

[(1, 77409999), (3, 25803333), (9, 8601111), (27, 2867037), (81, 955679), (151, 512649), (453, 170883), (1359, 56961), (4077, 18987), (6329, 12231)]