291237687

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 56

約数和(自身を含む): 477422400

約数和(自身を除く): 186184713

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 237, 243, 351, 389, 711, 729, 1027, 1053, 1167, 2133, 3081, 3159, 3501, 5057, 6399, 9243, 9477, 10503, 15171, 19197, 27729, 30731, 31509, 45513, 57591, 83187, 92193, 94527, 136539, 249561, 276579, 283581, 399503, 409617, 748683, 829737, 1198509, 1228851, 2489211, 3595527, 3686553, 7467633, 10786581, 22402899, 32359743, 97079229, 291237687]

約数ペア:

[(1, 291237687), (3, 97079229), (9, 32359743), (13, 22402899), (27, 10786581), (39, 7467633), (79, 3686553), (81, 3595527), (117, 2489211), (237, 1228851), (243, 1198509), (351, 829737), (389, 748683), (711, 409617), (729, 399503), (1027, 283581), (1053, 276579), (1167, 249561), (2133, 136539), (3081, 94527), (3159, 92193), (3501, 83187), (5057, 57591), (6399, 45513), (9243, 31509), (9477, 30731), (10503, 27729), (15171, 19197)]