28867059

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18979}}^1$

素因数の和:19011

約数の個数: 18

約数和(自身を含む): 45153420

約数和(自身を除く): 16286361

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18979, 56937, 170811, 246727, 740181, 2220543, 3207451, 9622353, 28867059]

約数ペア:

[(1, 28867059), (3, 9622353), (9, 3207451), (13, 2220543), (39, 740181), (117, 246727), (169, 170811), (507, 56937), (1521, 18979)]