205473657

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 295326720

約数和(自身を除く): 89853063

約数列:

[1, 3, 19, 57, 67, 173, 201, 311, 519, 933, 1273, 3287, 3819, 5909, 9861, 11591, 17727, 20837, 34773, 53803, 62511, 161409, 220229, 395903, 660687, 1022257, 1187709, 3066771, 3604801, 10814403, 68491219, 205473657]

約数ペア:

[(1, 205473657), (3, 68491219), (19, 10814403), (57, 3604801), (67, 3066771), (173, 1187709), (201, 1022257), (311, 660687), (519, 395903), (933, 220229), (1273, 161409), (3287, 62511), (3819, 53803), (5909, 34773), (9861, 20837), (11591, 17727)]