55717857

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 92972880

約数和(自身を除く): 37255023

約数列:

[1, 3, 9, 13, 17, 39, 51, 109, 117, 153, 221, 257, 327, 663, 771, 981, 1417, 1853, 1989, 2313, 3341, 4251, 4369, 5559, 10023, 12753, 13107, 16677, 24089, 28013, 30069, 39321, 56797, 72267, 84039, 170391, 216801, 252117, 364169, 476221, 511173, 1092507, 1428663, 3277521, 4285989, 6190873, 18572619, 55717857]

約数ペア:

[(1, 55717857), (3, 18572619), (9, 6190873), (13, 4285989), (17, 3277521), (39, 1428663), (51, 1092507), (109, 511173), (117, 476221), (153, 364169), (221, 252117), (257, 216801), (327, 170391), (663, 84039), (771, 72267), (981, 56797), (1417, 39321), (1853, 30069), (1989, 28013), (2313, 24089), (3341, 16677), (4251, 13107), (4369, 12753), (5559, 10023)]