81621414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647789}}^1$

素因数の和:647804

約数の個数: 24

約数和(自身を含む): 202110480

約数和(自身を除く): 120489066

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647789, 1295578, 1943367, 3886734, 4534523, 5830101, 9069046, 11660202, 13603569, 27207138, 40810707, 81621414]

約数ペア:

[(1, 81621414), (2, 40810707), (3, 27207138), (6, 13603569), (7, 11660202), (9, 9069046), (14, 5830101), (18, 4534523), (21, 3886734), (42, 1943367), (63, 1295578), (126, 647789)]