16808571

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 27006408

約数和(自身を除く): 10197837

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 257, 387, 507, 559, 771, 1521, 1677, 2313, 3341, 5031, 7267, 10023, 11051, 21801, 30069, 33153, 43433, 65403, 99459, 130299, 143663, 390897, 430989, 1292967, 1867619, 5602857, 16808571]

約数ペア:

[(1, 16808571), (3, 5602857), (9, 1867619), (13, 1292967), (39, 430989), (43, 390897), (117, 143663), (129, 130299), (169, 99459), (257, 65403), (387, 43433), (507, 33153), (559, 30069), (771, 21801), (1521, 11051), (1677, 10023), (2313, 7267), (3341, 5031)]