2172207

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 2996352

約数和(自身を除く): 824145

約数列:

[1, 3, 67, 101, 107, 201, 303, 321, 6767, 7169, 10807, 20301, 21507, 32421, 724069, 2172207]

約数ペア:

[(1, 2172207), (3, 724069), (67, 32421), (101, 21507), (107, 20301), (201, 10807), (303, 7169), (321, 6767)]