201779505

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3923}}^1$

素因数の和:4067

約数の個数: 40

約数和(自身を含む): 364649472

約数和(自身を除く): 162869967

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 381, 405, 635, 1143, 1905, 3429, 3923, 5715, 10287, 11769, 17145, 19615, 35307, 51435, 58845, 105921, 176535, 317763, 498221, 529605, 1494663, 1588815, 2491105, 4483989, 7473315, 13451967, 22419945, 40355901, 67259835, 201779505]

約数ペア:

[(1, 201779505), (3, 67259835), (5, 40355901), (9, 22419945), (15, 13451967), (27, 7473315), (45, 4483989), (81, 2491105), (127, 1588815), (135, 1494663), (381, 529605), (405, 498221), (635, 317763), (1143, 176535), (1905, 105921), (3429, 58845), (3923, 51435), (5715, 35307), (10287, 19615), (11769, 17145)]