12563991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 20908800

約数和(自身を除く): 8344809

約数列:

[1, 3, 9, 11, 27, 33, 59, 81, 99, 177, 239, 297, 531, 649, 717, 891, 1593, 1947, 2151, 2629, 4779, 5841, 6453, 7887, 14101, 17523, 19359, 23661, 42303, 52569, 70983, 126909, 155111, 212949, 380727, 465333, 1142181, 1395999, 4187997, 12563991]

約数ペア:

[(1, 12563991), (3, 4187997), (9, 1395999), (11, 1142181), (27, 465333), (33, 380727), (59, 212949), (81, 155111), (99, 126909), (177, 70983), (239, 52569), (297, 42303), (531, 23661), (649, 19359), (717, 17523), (891, 14101), (1593, 7887), (1947, 6453), (2151, 5841), (2629, 4779)]