161197239

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{178513}}^1$

素因数の和:178566

約数の個数: 16

約数和(自身を含む): 251347712

約数和(自身を除く): 90150473

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 178513, 535539, 1249591, 3748773, 7676059, 23028177, 53732413, 161197239]

約数ペア:

[(1, 161197239), (3, 53732413), (7, 23028177), (21, 7676059), (43, 3748773), (129, 1249591), (301, 535539), (903, 178513)]