78263973

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 115903008

約数和(自身を除く): 37639035

約数列:

[1, 3, 9, 67, 107, 201, 321, 603, 963, 1213, 3639, 7169, 10917, 21507, 64521, 81271, 129791, 243813, 389373, 731439, 1168119, 8695997, 26087991, 78263973]

約数ペア:

[(1, 78263973), (3, 26087991), (9, 8695997), (67, 1168119), (107, 731439), (201, 389373), (321, 243813), (603, 129791), (963, 81271), (1213, 64521), (3639, 21507), (7169, 10917)]