212219145

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{24691}}^1$

素因数の和:24893

約数の個数: 24

約数和(自身を含む): 369787392

約数和(自身を除く): 157568247

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2865, 8595, 24691, 74073, 123455, 222219, 370365, 1111095, 4715981, 14147943, 23579905, 42443829, 70739715, 212219145]

約数ペア:

[(1, 212219145), (3, 70739715), (5, 42443829), (9, 23579905), (15, 14147943), (45, 4715981), (191, 1111095), (573, 370365), (955, 222219), (1719, 123455), (2865, 74073), (8595, 24691)]