205677309

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 290822400

約数和(自身を除く): 85145091

約数列:

[1, 3, 29, 87, 89, 101, 263, 267, 303, 789, 2581, 2929, 7627, 7743, 8787, 8989, 22881, 23407, 26563, 26967, 70221, 79689, 260681, 678803, 770327, 782043, 2036409, 2310981, 2364107, 7092321, 68559103, 205677309]

約数ペア:

[(1, 205677309), (3, 68559103), (29, 7092321), (87, 2364107), (89, 2310981), (101, 2036409), (263, 782043), (267, 770327), (303, 678803), (789, 260681), (2581, 79689), (2929, 70221), (7627, 26967), (7743, 26563), (8787, 23407), (8989, 22881)]