81545471

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{541}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 95166528

約数和(自身を除く): 13621057

約数列:

[1, 7, 61, 353, 427, 541, 2471, 3787, 21533, 33001, 150731, 190973, 231007, 1336811, 11649353, 81545471]

約数ペア:

[(1, 81545471), (7, 11649353), (61, 1336811), (353, 231007), (427, 190973), (541, 150731), (2471, 33001), (3787, 21533)]