218740407

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{24443}}^1$

素因数の和:24622

約数の個数: 16

約数和(自身を含む): 308972160

約数和(自身を除く): 90231753

約数列:

[1, 3, 19, 57, 157, 471, 2983, 8949, 24443, 73329, 464417, 1393251, 3837551, 11512653, 72913469, 218740407]

約数ペア:

[(1, 218740407), (3, 72913469), (19, 11512653), (57, 3837551), (157, 1393251), (471, 464417), (2983, 73329), (8949, 24443)]