16840809

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 25276992

約数和(自身を除く): 8436183

約数列:

[1, 3, 9, 37, 103, 111, 309, 333, 491, 927, 1473, 3811, 4419, 11433, 18167, 34299, 50573, 54501, 151719, 163503, 455157, 1871201, 5613603, 16840809]

約数ペア:

[(1, 16840809), (3, 5613603), (9, 1871201), (37, 455157), (103, 163503), (111, 151719), (309, 54501), (333, 50573), (491, 34299), (927, 18167), (1473, 11433), (3811, 4419)]