51120945

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13687}}^1$

素因数の和:13781

約数の個数: 24

約数和(自身を含む): 89683776

約数和(自身を除く): 38562831

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 13687, 41061, 68435, 123183, 205305, 615915, 1136021, 3408063, 5680105, 10224189, 17040315, 51120945]

約数ペア:

[(1, 51120945), (3, 17040315), (5, 10224189), (9, 5680105), (15, 3408063), (45, 1136021), (83, 615915), (249, 205305), (415, 123183), (747, 68435), (1245, 41061), (3735, 13687)]