1788122007

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{133253}}^1$

素因数の和:133340

約数の個数: 32

約数和(自身を含む): 3070172160

約数和(自身を除く): 1282050153

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 133253, 399759, 932771, 1199277, 2798313, 3597831, 8394939, 9460963, 25184817, 28382889, 66226741, 85148667, 198680223, 255446001, 596040669, 1788122007]

約数ペア:

[(1, 1788122007), (3, 596040669), (7, 255446001), (9, 198680223), (21, 85148667), (27, 66226741), (63, 28382889), (71, 25184817), (189, 9460963), (213, 8394939), (497, 3597831), (639, 2798313), (1491, 1199277), (1917, 932771), (4473, 399759), (13419, 133253)]