990777963

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{72251}}^1$

素因数の和:72914

約数の個数: 16

約数和(自身を含む): 1512089856

約数和(自身を除く): 521311893

約数列:

[1, 3, 7, 21, 653, 1959, 4571, 13713, 72251, 216753, 505757, 1517271, 47179903, 141539709, 330259321, 990777963]

約数ペア:

[(1, 990777963), (3, 330259321), (7, 141539709), (21, 47179903), (653, 1517271), (1959, 505757), (4571, 216753), (13713, 72251)]