291282117

素因数分解:

$3^1\times 7^5\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 465886080

約数和(自身を除く): 174603963

約数列:

[1, 3, 7, 21, 49, 53, 109, 147, 159, 327, 343, 371, 763, 1029, 1113, 2289, 2401, 2597, 5341, 5777, 7203, 7791, 16023, 16807, 17331, 18179, 37387, 40439, 50421, 54537, 112161, 121317, 127253, 261709, 283073, 381759, 785127, 849219, 890771, 1831963, 1981511, 2672313, 5495889, 5944533, 13870577, 41611731, 97094039, 291282117]

約数ペア:

[(1, 291282117), (3, 97094039), (7, 41611731), (21, 13870577), (49, 5944533), (53, 5495889), (109, 2672313), (147, 1981511), (159, 1831963), (327, 890771), (343, 849219), (371, 785127), (763, 381759), (1029, 283073), (1113, 261709), (2289, 127253), (2401, 121317), (2597, 112161), (5341, 54537), (5777, 50421), (7203, 40439), (7791, 37387), (16023, 18179), (16807, 17331)]