86666691

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 125637120

約数和(自身を除く): 38970429

約数列:

[1, 3, 23, 37, 69, 83, 111, 249, 409, 851, 1227, 1909, 2553, 3071, 5727, 9213, 9407, 15133, 28221, 33947, 45399, 70633, 101841, 211899, 348059, 780781, 1044177, 1256039, 2342343, 3768117, 28888897, 86666691]

約数ペア:

[(1, 86666691), (3, 28888897), (23, 3768117), (37, 2342343), (69, 1256039), (83, 1044177), (111, 780781), (249, 348059), (409, 211899), (851, 101841), (1227, 70633), (1909, 45399), (2553, 33947), (3071, 28221), (5727, 15133), (9213, 9407)]