319263

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 508416

約数和(自身を除く): 189153

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 661, 1983, 4627, 13881, 15203, 45609, 106421, 319263]

約数ペア:

[(1, 319263), (3, 106421), (7, 45609), (21, 15203), (23, 13881), (69, 4627), (161, 1983), (483, 661)]