219647571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6481}}^1$

素因数の和:6587

約数の個数: 32

約数和(自身を含む): 348472320

約数和(自身を除く): 128824749

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 429, 869, 1027, 2607, 3081, 6481, 11297, 19443, 33891, 71291, 84253, 213873, 252759, 511999, 926783, 1535997, 2780349, 5631989, 6655987, 16895967, 19967961, 73215857, 219647571]

約数ペア:

[(1, 219647571), (3, 73215857), (11, 19967961), (13, 16895967), (33, 6655987), (39, 5631989), (79, 2780349), (143, 1535997), (237, 926783), (429, 511999), (869, 252759), (1027, 213873), (2607, 84253), (3081, 71291), (6481, 33891), (11297, 19443)]