28313769

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23189}}^1$

素因数の和:23240

約数の個数: 16

約数和(自身を含む): 42298560

約数和(自身を除く): 13984791

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 23189, 69567, 255079, 765237, 857993, 2573979, 9437923, 28313769]

約数ペア:

[(1, 28313769), (3, 9437923), (11, 2573979), (33, 857993), (37, 765237), (111, 255079), (407, 69567), (1221, 23189)]