164078019

素因数分解:

$3^2\times 7^2\times {\mathrm{372059}}^1$

素因数の和:372079

約数の個数: 18

約数和(自身を含む): 275696460

約数和(自身を除く): 111618441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 372059, 1116177, 2604413, 3348531, 7813239, 18230891, 23439717, 54692673, 164078019]

約数ペア:

[(1, 164078019), (3, 54692673), (7, 23439717), (9, 18230891), (21, 7813239), (49, 3348531), (63, 2604413), (147, 1116177), (441, 372059)]