1278123

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{503}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 2145024

約数和(自身を除く): 866901

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 503, 847, 1509, 2541, 3521, 5533, 10563, 16599, 38731, 60863, 116193, 182589, 426041, 1278123]

約数ペア:

[(1, 1278123), (3, 426041), (7, 182589), (11, 116193), (21, 60863), (33, 38731), (77, 16599), (121, 10563), (231, 5533), (363, 3521), (503, 2541), (847, 1509)]