17940307

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 22982400

約数和(自身を除く): 5042093

約数列:

[1, 7, 11, 59, 77, 121, 359, 413, 649, 847, 2513, 3949, 4543, 7139, 21181, 27643, 43439, 49973, 148267, 232991, 304073, 1630937, 2562901, 17940307]

約数ペア:

[(1, 17940307), (7, 2562901), (11, 1630937), (59, 304073), (77, 232991), (121, 148267), (359, 49973), (413, 43439), (649, 27643), (847, 21181), (2513, 7139), (3949, 4543)]