15205421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3347}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 19284480

約数和(自身を除く): 4079059

約数列:

[1, 7, 11, 59, 77, 413, 649, 3347, 4543, 23429, 36817, 197473, 257719, 1382311, 2172203, 15205421]

約数ペア:

[(1, 15205421), (7, 2172203), (11, 1382311), (59, 257719), (77, 197473), (413, 36817), (649, 23429), (3347, 4543)]