71991127

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{18521}}^1$

素因数の和:18570

約数の個数: 12

約数和(自身を含む): 81348624

約数和(自身を除く): 9357497

約数列:

[1, 13, 23, 169, 299, 3887, 18521, 240773, 425983, 3130049, 5537779, 71991127]

約数ペア:

[(1, 71991127), (13, 5537779), (23, 3130049), (169, 425983), (299, 240773), (3887, 18521)]