31809969

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{16139}}^1$

素因数の和:16221

約数の個数: 16

約数和(自身を含む): 47774400

約数和(自身を除く): 15964431

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 16139, 48417, 145251, 435753, 1178147, 3534441, 10603323, 31809969]

約数ペア:

[(1, 31809969), (3, 10603323), (9, 3534441), (27, 1178147), (73, 435753), (219, 145251), (657, 48417), (1971, 16139)]