56121741

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 91069440

約数和(自身を除く): 34947699

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 223, 239, 351, 669, 717, 1053, 2007, 2151, 2899, 3107, 6021, 6453, 8697, 9321, 18063, 19359, 26091, 27963, 53297, 78273, 83889, 159891, 234819, 251667, 479673, 692861, 1439019, 2078583, 4317057, 6235749, 18707247, 56121741]

約数ペア:

[(1, 56121741), (3, 18707247), (9, 6235749), (13, 4317057), (27, 2078583), (39, 1439019), (81, 692861), (117, 479673), (223, 251667), (239, 234819), (351, 159891), (669, 83889), (717, 78273), (1053, 53297), (2007, 27963), (2151, 26091), (2899, 19359), (3107, 18063), (6021, 9321), (6453, 8697)]