205250223

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 289884672

約数和(自身を除く): 84634449

約数列:

[1, 3, 41, 43, 123, 129, 151, 257, 453, 771, 1763, 5289, 6191, 6493, 10537, 11051, 18573, 19479, 31611, 33153, 38807, 116421, 266213, 453091, 798639, 1359273, 1591087, 1668701, 4773261, 5006103, 68416741, 205250223]

約数ペア:

[(1, 205250223), (3, 68416741), (41, 5006103), (43, 4773261), (123, 1668701), (129, 1591087), (151, 1359273), (257, 798639), (453, 453091), (771, 266213), (1763, 116421), (5289, 38807), (6191, 33153), (6493, 31611), (10537, 19479), (11051, 18573)]