81943869

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{54959}}^1$

素因数の和:55040

約数の個数: 16

約数和(自身を含む): 126627840

約数和(自身を除く): 44683971

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 54959, 164877, 384713, 1154139, 3902089, 11706267, 27314623, 81943869]

約数ペア:

[(1, 81943869), (3, 27314623), (7, 11706267), (21, 3902089), (71, 1154139), (213, 384713), (497, 164877), (1491, 54959)]