20512957563

素因数分解:

$3^3\times 7^3\times {\mathrm{2214983}}^1$

素因数の和:2215013

約数の個数: 32

約数和(自身を含む): 35439744000

約数和(自身を除く): 14926786437

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 2214983, 6644949, 15504881, 19934847, 46514643, 59804541, 108534167, 139543929, 325602501, 418631787, 759739169, 976807503, 2279217507, 2930422509, 6837652521, 20512957563]

約数ペア:

[(1, 20512957563), (3, 6837652521), (7, 2930422509), (9, 2279217507), (21, 976807503), (27, 759739169), (49, 418631787), (63, 325602501), (147, 139543929), (189, 108534167), (343, 59804541), (441, 46514643), (1029, 19934847), (1323, 15504881), (3087, 6644949), (9261, 2214983)]