28607955

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 47331648

約数和(自身を除く): 18723693

約数列:

[1, 3, 5, 15, 41, 123, 181, 205, 257, 543, 615, 771, 905, 1285, 2715, 3855, 7421, 10537, 22263, 31611, 37105, 46517, 52685, 111315, 139551, 158055, 232585, 697755, 1907197, 5721591, 9535985, 28607955]

約数ペア:

[(1, 28607955), (3, 9535985), (5, 5721591), (15, 1907197), (41, 697755), (123, 232585), (181, 158055), (205, 139551), (257, 111315), (543, 52685), (615, 46517), (771, 37105), (905, 31611), (1285, 22263), (2715, 10537), (3855, 7421)]