42347277

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 36

約数和(自身を含む): 71993376

約数和(自身を除く): 29646099

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 491, 777, 1369, 1473, 2331, 3437, 4107, 4419, 9583, 10311, 12321, 18167, 28749, 30933, 54501, 86247, 127169, 163503, 381507, 672179, 1144521, 2016537, 4705253, 6049611, 14115759, 42347277]

約数ペア:

[(1, 42347277), (3, 14115759), (7, 6049611), (9, 4705253), (21, 2016537), (37, 1144521), (63, 672179), (111, 381507), (259, 163503), (333, 127169), (491, 86247), (777, 54501), (1369, 30933), (1473, 28749), (2331, 18167), (3437, 12321), (4107, 10311), (4419, 9583)]