291204207

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4153}}^1$

素因数の和:4229

約数の個数: 48

約数和(自身を含む): 511440480

約数和(自身を除く): 220236273

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 371, 441, 477, 1113, 1323, 1431, 2597, 3339, 4153, 7791, 10017, 12459, 23373, 29071, 37377, 70119, 87213, 112131, 203497, 220109, 261639, 610491, 660327, 784917, 1540763, 1831473, 1980981, 4622289, 5494419, 5942943, 10785341, 13866867, 32356023, 41600601, 97068069, 291204207]

約数ペア:

[(1, 291204207), (3, 97068069), (7, 41600601), (9, 32356023), (21, 13866867), (27, 10785341), (49, 5942943), (53, 5494419), (63, 4622289), (147, 1980981), (159, 1831473), (189, 1540763), (371, 784917), (441, 660327), (477, 610491), (1113, 261639), (1323, 220109), (1431, 203497), (2597, 112131), (3339, 87213), (4153, 70119), (7791, 37377), (10017, 29071), (12459, 23373)]