81135621

素因数分解:

$3^3\times 7^3\times {\mathrm{8761}}^1$

素因数の和:8791

約数の個数: 32

約数和(自身を含む): 140192000

約数和(自身を除く): 59056379

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 8761, 9261, 26283, 61327, 78849, 183981, 236547, 429289, 551943, 1287867, 1655829, 3005023, 3863601, 9015069, 11590803, 27045207, 81135621]

約数ペア:

[(1, 81135621), (3, 27045207), (7, 11590803), (9, 9015069), (21, 3863601), (27, 3005023), (49, 1655829), (63, 1287867), (147, 551943), (189, 429289), (343, 236547), (441, 183981), (1029, 78849), (1323, 61327), (3087, 26283), (8761, 9261)]