161879487

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 291110400

約数和(自身を除く): 129230913

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 121, 133, 147, 209, 231, 363, 399, 479, 539, 627, 847, 931, 1437, 1463, 1617, 2299, 2541, 2793, 3353, 4389, 5269, 5929, 6897, 9101, 10059, 10241, 15807, 16093, 17787, 23471, 27303, 30723, 36883, 48279, 57959, 63707, 70413, 100111, 110649, 112651, 173877, 191121, 258181, 300333, 337953, 405713, 445949, 700777, 774543, 1101221, 1217139, 1337847, 2102331, 2839991, 3303663, 4905439, 7708547, 8519973, 14716317, 23125641, 53959829, 161879487]

約数ペア:

[(1, 161879487), (3, 53959829), (7, 23125641), (11, 14716317), (19, 8519973), (21, 7708547), (33, 4905439), (49, 3303663), (57, 2839991), (77, 2102331), (121, 1337847), (133, 1217139), (147, 1101221), (209, 774543), (231, 700777), (363, 445949), (399, 405713), (479, 337953), (539, 300333), (627, 258181), (847, 191121), (931, 173877), (1437, 112651), (1463, 110649), (1617, 100111), (2299, 70413), (2541, 63707), (2793, 57959), (3353, 48279), (4389, 36883), (5269, 30723), (5929, 27303), (6897, 23471), (9101, 17787), (10059, 16093), (10241, 15807)]