491189181

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{32441}}^1$

素因数の和:32561

約数の個数: 24

約数和(自身を含む): 769264704

約数和(自身を除く): 278075523

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 15141, 32441, 97323, 227087, 681261, 1589609, 3341423, 4768827, 10024269, 23389961, 70169883, 163729727, 491189181]

約数ペア:

[(1, 491189181), (3, 163729727), (7, 70169883), (21, 23389961), (49, 10024269), (103, 4768827), (147, 3341423), (309, 1589609), (721, 681261), (2163, 227087), (5047, 97323), (15141, 32441)]