16628409

素因数分解:

$3^4\times 7^1\times {\mathrm{29327}}^1$

素因数の和:29346

約数の個数: 20

約数和(自身を含む): 28389504

約数和(自身を除く): 11761095

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 29327, 87981, 205289, 263943, 615867, 791829, 1847601, 2375487, 5542803, 16628409]

約数ペア:

[(1, 16628409), (3, 5542803), (7, 2375487), (9, 1847601), (21, 791829), (27, 615867), (63, 263943), (81, 205289), (189, 87981), (567, 29327)]