28214979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19553}}^1$

素因数の和:19606

約数の個数: 16

約数和(自身を含む): 41610912

約数和(自身を除く): 13395933

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19553, 58659, 254189, 723461, 762567, 2170383, 9404993, 28214979]

約数ペア:

[(1, 28214979), (3, 9404993), (13, 2170383), (37, 762567), (39, 723461), (111, 254189), (481, 58659), (1443, 19553)]