17931927

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19991}}^1$

素因数の和:20030

約数の個数: 16

約数和(自身を含む): 26869248

約数和(自身を除く): 8937321

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 19991, 59973, 259883, 459793, 779649, 1379379, 5977309, 17931927]

約数ペア:

[(1, 17931927), (3, 5977309), (13, 1379379), (23, 779649), (39, 459793), (69, 259883), (299, 59973), (897, 19991)]