66689391

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{2473}}^1$

素因数の和:2666

約数の個数: 16

約数和(自身を含む): 90845280

約数和(自身を除く): 24155889

約数列:

[1, 3, 89, 101, 267, 303, 2473, 7419, 8989, 26967, 220097, 249773, 660291, 749319, 22229797, 66689391]

約数ペア:

[(1, 66689391), (3, 22229797), (89, 749319), (101, 660291), (267, 249773), (303, 220097), (2473, 26967), (7419, 8989)]