16404801

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 26323968

約数和(自身を除く): 9919167

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 491, 777, 903, 1473, 1591, 3437, 4773, 10311, 11137, 18167, 21113, 33411, 54501, 63339, 127169, 147791, 381507, 443373, 781181, 2343543, 5468267, 16404801]

約数ペア:

[(1, 16404801), (3, 5468267), (7, 2343543), (21, 781181), (37, 443373), (43, 381507), (111, 147791), (129, 127169), (259, 63339), (301, 54501), (491, 33411), (777, 21113), (903, 18167), (1473, 11137), (1591, 10311), (3437, 4773)]