18684081

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53231}}^1$

素因数の和:53253

約数の個数: 16

約数和(自身を含む): 29809920

約数和(自身を除く): 11125839

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53231, 159693, 479079, 692003, 1437237, 2076009, 6228027, 18684081]

約数ペア:

[(1, 18684081), (3, 6228027), (9, 2076009), (13, 1437237), (27, 692003), (39, 479079), (117, 159693), (351, 53231)]