201380739

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{31859}}^1$

素因数の和:31919

約数の個数: 24

約数和(自身を含む): 319619520

約数和(自身を除く): 118238781

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 31859, 95577, 223013, 669039, 1369937, 1561091, 4109811, 4683273, 9589559, 28768677, 67126913, 201380739]

約数ペア:

[(1, 201380739), (3, 67126913), (7, 28768677), (21, 9589559), (43, 4683273), (49, 4109811), (129, 1561091), (147, 1369937), (301, 669039), (903, 223013), (2107, 95577), (6321, 31859)]