81547895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6709}}^1$

素因数の和:6755

約数の個数: 32

約数和(自身を含む): 121746240

約数和(自身を除く): 40198345

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 6709, 12155, 33545, 73799, 87217, 114053, 368995, 436085, 570265, 959387, 1254583, 1482689, 4796935, 6272915, 7413445, 16309579, 81547895]

約数ペア:

[(1, 81547895), (5, 16309579), (11, 7413445), (13, 6272915), (17, 4796935), (55, 1482689), (65, 1254583), (85, 959387), (143, 570265), (187, 436085), (221, 368995), (715, 114053), (935, 87217), (1105, 73799), (2431, 33545), (6709, 12155)]