491796591

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 780792192

約数和(自身を除く): 288995601

約数列:

[1, 3, 11, 13, 33, 39, 143, 163, 169, 429, 489, 507, 541, 1623, 1793, 1859, 2119, 5379, 5577, 5951, 6357, 7033, 17853, 21099, 23309, 27547, 69927, 77363, 82641, 88183, 91429, 232089, 264549, 274287, 303017, 909051, 970013, 1005719, 1146379, 2910039, 3017157, 3439137, 12610169, 14902927, 37830507, 44708781, 163932197, 491796591]

約数ペア:

[(1, 491796591), (3, 163932197), (11, 44708781), (13, 37830507), (33, 14902927), (39, 12610169), (143, 3439137), (163, 3017157), (169, 2910039), (429, 1146379), (489, 1005719), (507, 970013), (541, 909051), (1623, 303017), (1793, 274287), (1859, 264549), (2119, 232089), (5379, 91429), (5577, 88183), (5951, 82641), (6357, 77363), (7033, 69927), (17853, 27547), (21099, 23309)]