81940311

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2389}}^1$

素因数の和:2535

約数の個数: 24

約数和(自身を含む): 122788640

約数和(自身を除く): 40848329

約数列:

[1, 3, 9, 37, 103, 111, 309, 333, 927, 2389, 3811, 7167, 11433, 21501, 34299, 88393, 246067, 265179, 738201, 795537, 2214603, 9104479, 27313437, 81940311]

約数ペア:

[(1, 81940311), (3, 27313437), (9, 9104479), (37, 2214603), (103, 795537), (111, 738201), (309, 265179), (333, 246067), (927, 88393), (2389, 34299), (3811, 21501), (7167, 11433)]