97816887

素因数分解:

$3^2\times 7^2\times {\mathrm{221807}}^1$

素因数の和:221827

約数の個数: 18

約数和(自身を含む): 164359728

約数和(自身を除く): 66542841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 221807, 665421, 1552649, 1996263, 4657947, 10868543, 13973841, 32605629, 97816887]

約数ペア:

[(1, 97816887), (3, 32605629), (7, 13973841), (9, 10868543), (21, 4657947), (49, 1996263), (63, 1552649), (147, 665421), (441, 221807)]