66321171

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14827}}^1$

素因数の和:14911

約数の個数: 24

約数和(自身を含む): 111032064

約数和(自身を除く): 44710893

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 14827, 44481, 103789, 133443, 311367, 934101, 1052717, 3158151, 7369019, 9474453, 22107057, 66321171]

約数ペア:

[(1, 66321171), (3, 22107057), (7, 9474453), (9, 7369019), (21, 3158151), (63, 1052717), (71, 934101), (213, 311367), (497, 133443), (639, 103789), (1491, 44481), (4473, 14827)]