208085409

素因数分解:

$3^3\times 7^3\times {\mathrm{22469}}^1$

素因数の和:22499

約数の個数: 32

約数和(自身を含む): 359520000

約数和(自身を除く): 151434591

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 22469, 67407, 157283, 202221, 471849, 606663, 1100981, 1415547, 3302943, 4246641, 7706867, 9908829, 23120601, 29726487, 69361803, 208085409]

約数ペア:

[(1, 208085409), (3, 69361803), (7, 29726487), (9, 23120601), (21, 9908829), (27, 7706867), (49, 4246641), (63, 3302943), (147, 1415547), (189, 1100981), (343, 606663), (441, 471849), (1029, 202221), (1323, 157283), (3087, 67407), (9261, 22469)]