236420919

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{7643}}^1$

素因数の和:8147

約数の個数: 24

約数和(自身を含む): 391128192

約数和(自身を除く): 154707273

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 3437, 4419, 7643, 10311, 22929, 30933, 53501, 68787, 160503, 481509, 3752713, 11258139, 26268991, 33774417, 78806973, 236420919]

約数ペア:

[(1, 236420919), (3, 78806973), (7, 33774417), (9, 26268991), (21, 11258139), (63, 3752713), (491, 481509), (1473, 160503), (3437, 68787), (4419, 53501), (7643, 30933), (10311, 22929)]