12786291

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6547}}^1$

素因数の和:6591

約数の個数: 24

約数和(自身を含む): 21791744

約数和(自身を除く): 9005453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 6547, 19641, 45829, 58923, 137487, 202957, 412461, 608871, 1420699, 1826613, 4262097, 12786291]

約数ペア:

[(1, 12786291), (3, 4262097), (7, 1826613), (9, 1420699), (21, 608871), (31, 412461), (63, 202957), (93, 137487), (217, 58923), (279, 45829), (651, 19641), (1953, 6547)]