165165021

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20323}}^1$

素因数の和:20382

約数の個数: 32

約数和(自身を含む): 286161920

約数和(自身を除く): 120996899

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 20323, 60969, 142261, 182907, 426783, 548721, 873889, 1280349, 2621667, 3841047, 6117223, 7865001, 18351669, 23595003, 55055007, 165165021]

約数ペア:

[(1, 165165021), (3, 55055007), (7, 23595003), (9, 18351669), (21, 7865001), (27, 6117223), (43, 3841047), (63, 2621667), (129, 1280349), (189, 873889), (301, 548721), (387, 426783), (903, 182907), (1161, 142261), (2709, 60969), (8127, 20323)]