16867809

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1706

約数の個数: 36

約数和(自身を含む): 29592576

約数和(自身を除く): 12724767

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1663, 3381, 4989, 10143, 11641, 14967, 34923, 38249, 81487, 104769, 114747, 244461, 267743, 344241, 733383, 803229, 1874201, 2409687, 5622603, 16867809]

約数ペア:

[(1, 16867809), (3, 5622603), (7, 2409687), (9, 1874201), (21, 803229), (23, 733383), (49, 344241), (63, 267743), (69, 244461), (147, 114747), (161, 104769), (207, 81487), (441, 38249), (483, 34923), (1127, 14967), (1449, 11641), (1663, 10143), (3381, 4989)]