7421787

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1624

約数の個数: 20

約数和(自身を含む): 11282040

約数和(自身を除く): 3860253

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1553, 1593, 4659, 4779, 13977, 41931, 91627, 125793, 274881, 824643, 2473929, 7421787]

約数ペア:

[(1, 7421787), (3, 2473929), (9, 824643), (27, 274881), (59, 125793), (81, 91627), (177, 41931), (531, 13977), (1553, 4779), (1593, 4659)]