205574529

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 295004160

約数和(自身を除く): 89429631

約数列:

[1, 3, 23, 43, 69, 129, 193, 359, 579, 989, 1077, 2967, 4439, 8257, 8299, 13317, 15437, 24771, 24897, 46311, 69287, 190877, 207861, 355051, 572631, 1065153, 1593601, 2979341, 4780803, 8938023, 68524843, 205574529]

約数ペア:

[(1, 205574529), (3, 68524843), (23, 8938023), (43, 4780803), (69, 2979341), (129, 1593601), (193, 1065153), (359, 572631), (579, 355051), (989, 207861), (1077, 190877), (2967, 69287), (4439, 46311), (8257, 24897), (8299, 24771), (13317, 15437)]