90132861

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19421}}^1$

素因数の和:19461

約数の個数: 32

約数和(自身を含む): 156619008

約数和(自身を除く): 66486147

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 19421, 58263, 135947, 252473, 330157, 407841, 757419, 990471, 1767311, 2311099, 4292041, 5301933, 6933297, 12876123, 30044287, 90132861]

約数ペア:

[(1, 90132861), (3, 30044287), (7, 12876123), (13, 6933297), (17, 5301933), (21, 4292041), (39, 2311099), (51, 1767311), (91, 990471), (119, 757419), (221, 407841), (273, 330157), (357, 252473), (663, 135947), (1547, 58263), (4641, 19421)]