291295197

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{32993}}^1$

素因数の和:33114

約数の個数: 20

約数和(自身を含む): 439150140

約数和(自身を除く): 147854943

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 32993, 98979, 296937, 890811, 2672433, 3596237, 10788711, 32366133, 97098399, 291295197]

約数ペア:

[(1, 291295197), (3, 97098399), (9, 32366133), (27, 10788711), (81, 3596237), (109, 2672433), (327, 890811), (981, 296937), (2943, 98979), (8829, 32993)]