67781287

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3361}}^1$

素因数の和:3478

約数の個数: 16

約数和(自身を含む): 80472832

約数和(自身を除く): 12691545

約数列:

[1, 7, 43, 67, 301, 469, 2881, 3361, 20167, 23527, 144523, 225187, 1011661, 1576309, 9683041, 67781287]

約数ペア:

[(1, 67781287), (7, 9683041), (43, 1576309), (67, 1011661), (301, 225187), (469, 144523), (2881, 23527), (3361, 20167)]