51391899

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2539}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 80436720

約数和(自身を除く): 29044821

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1557, 2249, 2539, 6747, 7617, 20241, 22851, 33007, 99021, 297063, 439247, 1317741, 3953223, 5710211, 17130633, 51391899]

約数ペア:

[(1, 51391899), (3, 17130633), (9, 5710211), (13, 3953223), (39, 1317741), (117, 439247), (173, 297063), (519, 99021), (1557, 33007), (2249, 22851), (2539, 20241), (6747, 7617)]