161722239

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{145303}}^1$

素因数の和:145366

約数の個数: 16

約数和(自身を含む): 251085312

約数和(自身を除く): 89363073

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 145303, 435909, 1017121, 3051363, 7701059, 23103177, 53907413, 161722239]

約数ペア:

[(1, 161722239), (3, 53907413), (7, 23103177), (21, 7701059), (53, 3051363), (159, 1017121), (371, 435909), (1113, 145303)]