203467545

素因数分解:

$3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 382579200

約数和(自身を除く): 179111655

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 729, 809, 1035, 1215, 1863, 2187, 2427, 3105, 3645, 4045, 5589, 7281, 9315, 10935, 12135, 16767, 18607, 21843, 27945, 36405, 50301, 55821, 65529, 83835, 93035, 109215, 167463, 196587, 251505, 279105, 327645, 502389, 589761, 837315, 982935, 1507167, 1769283, 2511945, 2948805, 4521501, 7535835, 8846415, 13564503, 22607505, 40693509, 67822515, 203467545]

約数ペア:

[(1, 203467545), (3, 67822515), (5, 40693509), (9, 22607505), (15, 13564503), (23, 8846415), (27, 7535835), (45, 4521501), (69, 2948805), (81, 2511945), (115, 1769283), (135, 1507167), (207, 982935), (243, 837315), (345, 589761), (405, 502389), (621, 327645), (729, 279105), (809, 251505), (1035, 196587), (1215, 167463), (1863, 109215), (2187, 93035), (2427, 83835), (3105, 65529), (3645, 55821), (4045, 50301), (5589, 36405), (7281, 27945), (9315, 21843), (10935, 18607), (12135, 16767)]