51321123

素因数分解:

$3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1291}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 84920576

約数和(自身を除く): 33599453

約数列:

[1, 3, 7, 9, 21, 63, 631, 1291, 1893, 3873, 4417, 5679, 9037, 11619, 13251, 27111, 39753, 81333, 814621, 2443863, 5702347, 7331589, 17107041, 51321123]

約数ペア:

[(1, 51321123), (3, 17107041), (7, 7331589), (9, 5702347), (21, 2443863), (63, 814621), (631, 81333), (1291, 39753), (1893, 27111), (3873, 13251), (4417, 11619), (5679, 9037)]