77664555

素因数分解:

$3^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{881}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 138438720

約数和(自身を除く): 60774165

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 653, 881, 1959, 2643, 3265, 4405, 5877, 7929, 9795, 13215, 17631, 23787, 29385, 39645, 88155, 118935, 575293, 1725879, 2876465, 5177637, 8629395, 15532911, 25888185, 77664555]

約数ペア:

[(1, 77664555), (3, 25888185), (5, 15532911), (9, 8629395), (15, 5177637), (27, 2876465), (45, 1725879), (135, 575293), (653, 118935), (881, 88155), (1959, 39645), (2643, 29385), (3265, 23787), (4405, 17631), (5877, 13215), (7929, 9795)]