171948987

素因数分解:

$3^5\times 7^3\times {\mathrm{2063}}^1$

素因数の和:2099

約数の個数: 48

約数和(自身を含む): 300518400

約数和(自身を除く): 128569413

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 1029, 1323, 1701, 2063, 3087, 3969, 6189, 9261, 11907, 14441, 18567, 27783, 43323, 55701, 83349, 101087, 129969, 167103, 303261, 389907, 501309, 707609, 909783, 1169721, 2122827, 2729349, 3509163, 6368481, 8188047, 19105443, 24564141, 57316329, 171948987]

約数ペア:

[(1, 171948987), (3, 57316329), (7, 24564141), (9, 19105443), (21, 8188047), (27, 6368481), (49, 3509163), (63, 2729349), (81, 2122827), (147, 1169721), (189, 909783), (243, 707609), (343, 501309), (441, 389907), (567, 303261), (1029, 167103), (1323, 129969), (1701, 101087), (2063, 83349), (3087, 55701), (3969, 43323), (6189, 27783), (9261, 18567), (11907, 14441)]