27974565

素因数分解:

$3^4\times 5^1\times {\mathrm{69073}}^1$

素因数の和:69090

約数の個数: 20

約数和(自身を含む): 50147724

約数和(自身を除く): 22173159

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69073, 207219, 345365, 621657, 1036095, 1864971, 3108285, 5594913, 9324855, 27974565]

約数ペア:

[(1, 27974565), (3, 9324855), (5, 5594913), (9, 3108285), (15, 1864971), (27, 1036095), (45, 621657), (81, 345365), (135, 207219), (405, 69073)]