12646989

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 20016000

約数和(自身を除く): 7369011

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 277, 513, 801, 831, 1691, 2403, 2493, 5073, 5263, 7479, 15219, 15789, 24653, 45657, 47367, 73959, 142101, 221877, 468407, 665631, 1405221, 4215663, 12646989]

約数ペア:

[(1, 12646989), (3, 4215663), (9, 1405221), (19, 665631), (27, 468407), (57, 221877), (89, 142101), (171, 73959), (267, 47367), (277, 45657), (513, 24653), (801, 15789), (831, 15219), (1691, 7479), (2403, 5263), (2493, 5073)]