40405221

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 60868704

約数和(自身を除く): 20463483

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 1811, 2479, 5433, 7437, 16299, 22311, 67007, 121337, 201021, 364011, 603063, 1092033, 4489469, 13468407, 40405221]

約数ペア:

[(1, 40405221), (3, 13468407), (9, 4489469), (37, 1092033), (67, 603063), (111, 364011), (201, 201021), (333, 121337), (603, 67007), (1811, 22311), (2479, 16299), (5433, 7437)]