81265345

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{15583}}^1$

素因数の和:15744

約数の個数: 16

約数和(自身を含む): 112204800

約数和(自身を除く): 30939455

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 15583, 77915, 109081, 545405, 2321867, 11609335, 16253069, 81265345]

約数ペア:

[(1, 81265345), (5, 16253069), (7, 11609335), (35, 2321867), (149, 545405), (745, 109081), (1043, 77915), (5215, 15583)]