81635757

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 128397312

約数和(自身を除く): 46761555

約数列:

[1, 3, 7, 21, 47, 107, 141, 321, 329, 749, 773, 987, 2247, 2319, 5029, 5411, 15087, 16233, 35203, 36331, 82711, 105609, 108993, 248133, 254317, 578977, 762951, 1736931, 3887417, 11662251, 27211919, 81635757]

約数ペア:

[(1, 81635757), (3, 27211919), (7, 11662251), (21, 3887417), (47, 1736931), (107, 762951), (141, 578977), (321, 254317), (329, 248133), (749, 108993), (773, 105609), (987, 82711), (2247, 36331), (2319, 35203), (5029, 16233), (5411, 15087)]