1566681669

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{38917}}^1$

素因数の和:39007

約数の個数: 40

約数和(自身を含む): 2712428928

約数和(自身を除く): 1145747259

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1917, 4473, 5751, 13419, 38917, 40257, 116751, 272419, 350253, 817257, 1050759, 2451771, 2763107, 3152277, 7355313, 8289321, 19341749, 22065939, 24867963, 58025247, 74603889, 174075741, 223811667, 522227223, 1566681669]

約数ペア:

[(1, 1566681669), (3, 522227223), (7, 223811667), (9, 174075741), (21, 74603889), (27, 58025247), (63, 24867963), (71, 22065939), (81, 19341749), (189, 8289321), (213, 7355313), (497, 3152277), (567, 2763107), (639, 2451771), (1491, 1050759), (1917, 817257), (4473, 350253), (5751, 272419), (13419, 116751), (38917, 40257)]