66690921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{15427}}^1$

素因数の和:15572

約数の個数: 16

約数和(自身を含む): 97751808

約数和(自身を除く): 31060887

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 15427, 46281, 169697, 509091, 2020937, 6062811, 22230307, 66690921]

約数ペア:

[(1, 66690921), (3, 22230307), (11, 6062811), (33, 2020937), (131, 509091), (393, 169697), (1441, 46281), (4323, 15427)]