28988361

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{2143}}^1$

素因数の和:2322

約数の個数: 20

約数和(自身を含む): 43583232

約数和(自身を除く): 14594871

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 2143, 4509, 6429, 13527, 19287, 57861, 173583, 357881, 1073643, 3220929, 9662787, 28988361]

約数ペア:

[(1, 28988361), (3, 9662787), (9, 3220929), (27, 1073643), (81, 357881), (167, 173583), (501, 57861), (1503, 19287), (2143, 13527), (4509, 6429)]