11920923

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 21665280

約数和(自身を除く): 9744357

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 433, 437, 483, 1197, 1299, 1311, 1449, 3031, 3059, 3897, 3933, 8227, 9093, 9177, 9959, 24681, 27279, 27531, 29877, 57589, 69713, 74043, 89631, 172767, 189221, 209139, 518301, 567663, 627417, 1324547, 1702989, 3973641, 11920923]

約数ペア:

[(1, 11920923), (3, 3973641), (7, 1702989), (9, 1324547), (19, 627417), (21, 567663), (23, 518301), (57, 209139), (63, 189221), (69, 172767), (133, 89631), (161, 74043), (171, 69713), (207, 57589), (399, 29877), (433, 27531), (437, 27279), (483, 24681), (1197, 9959), (1299, 9177), (1311, 9093), (1449, 8227), (3031, 3933), (3059, 3897)]