15831705

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 26737920

約数和(自身を除く): 10906215

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 327, 345, 421, 545, 1263, 1635, 2105, 2507, 6315, 7521, 9683, 12535, 29049, 37605, 45889, 48415, 137667, 145245, 229445, 688335, 1055447, 3166341, 5277235, 15831705]

約数ペア:

[(1, 15831705), (3, 5277235), (5, 3166341), (15, 1055447), (23, 688335), (69, 229445), (109, 145245), (115, 137667), (327, 48415), (345, 45889), (421, 37605), (545, 29049), (1263, 12535), (1635, 9683), (2105, 7521), (2507, 6315)]