205121322

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{180883}}^1$

素因数の和:180904

約数の個数: 40

約数和(自身を含む): 525287136

約数和(自身を除く): 320165814

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 180883, 361766, 542649, 1085298, 1266181, 1627947, 2532362, 3255894, 3798543, 4883841, 7597086, 9767682, 11395629, 14651523, 22791258, 29303046, 34186887, 68373774, 102560661, 205121322]

約数ペア:

[(1, 205121322), (2, 102560661), (3, 68373774), (6, 34186887), (7, 29303046), (9, 22791258), (14, 14651523), (18, 11395629), (21, 9767682), (27, 7597086), (42, 4883841), (54, 3798543), (63, 3255894), (81, 2532362), (126, 1627947), (162, 1266181), (189, 1085298), (378, 542649), (567, 361766), (1134, 180883)]