203920479

素因数分解:

$3^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{6991}}^1$

素因数の和:7467

約数の個数: 24

約数和(自身を含む): 337405952

約数和(自身を除く): 133485473

約数列:

[1, 3, 7, 9, 21, 63, 463, 1389, 3241, 4167, 6991, 9723, 20973, 29169, 48937, 62919, 146811, 440433, 3236833, 9710499, 22657831, 29131497, 67973493, 203920479]

約数ペア:

[(1, 203920479), (3, 67973493), (7, 29131497), (9, 22657831), (21, 9710499), (63, 3236833), (463, 440433), (1389, 146811), (3241, 62919), (4167, 48937), (6991, 29169), (9723, 20973)]