971726889

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 1560614400

約数和(自身を除く): 588887511

約数列:

[1, 3, 7, 21, 49, 61, 113, 137, 147, 183, 339, 343, 411, 427, 791, 959, 1029, 1281, 2373, 2877, 2989, 5537, 6713, 6893, 8357, 8967, 15481, 16611, 20139, 20679, 20923, 25071, 38759, 46443, 46991, 48251, 58499, 62769, 108367, 116277, 140973, 144753, 175497, 325101, 337757, 409493, 758569, 944341, 1013271, 1228479, 2275707, 2364299, 2833023, 2866451, 5309983, 6610387, 7092897, 8599353, 15929949, 19831161, 46272709, 138818127, 323908963, 971726889]

約数ペア:

[(1, 971726889), (3, 323908963), (7, 138818127), (21, 46272709), (49, 19831161), (61, 15929949), (113, 8599353), (137, 7092897), (147, 6610387), (183, 5309983), (339, 2866451), (343, 2833023), (411, 2364299), (427, 2275707), (791, 1228479), (959, 1013271), (1029, 944341), (1281, 758569), (2373, 409493), (2877, 337757), (2989, 325101), (5537, 175497), (6713, 144753), (6893, 140973), (8357, 116277), (8967, 108367), (15481, 62769), (16611, 58499), (20139, 48251), (20679, 46991), (20923, 46443), (25071, 38759)]