205642719

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2843}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 330359040

約数和(自身を除く): 124716321

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 423, 513, 893, 1269, 1539, 2679, 2843, 3807, 8037, 8529, 24111, 25587, 54017, 72333, 76761, 133621, 162051, 230283, 400863, 486153, 1202589, 1458459, 2538799, 3607767, 4375377, 7616397, 10823301, 22849191, 68547573, 205642719]

約数ペア:

[(1, 205642719), (3, 68547573), (9, 22849191), (19, 10823301), (27, 7616397), (47, 4375377), (57, 3607767), (81, 2538799), (141, 1458459), (171, 1202589), (423, 486153), (513, 400863), (893, 230283), (1269, 162051), (1539, 133621), (2679, 76761), (2843, 72333), (3807, 54017), (8037, 25587), (8529, 24111)]