2905721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 3677184

約数和(自身を除く): 771463

約数列:

[1, 7, 13, 37, 91, 259, 481, 863, 3367, 6041, 11219, 31931, 78533, 223517, 415103, 2905721]

約数ペア:

[(1, 2905721), (7, 415103), (13, 223517), (37, 78533), (91, 31931), (259, 11219), (481, 6041), (863, 3367)]