81457005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7681}}^1$

素因数の和:7797

約数の個数: 32

約数和(自身を含む): 150444288

約数和(自身を除く): 68987283

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 2121, 3535, 7681, 10605, 23043, 38405, 53767, 115215, 161301, 268835, 775781, 806505, 2327343, 3878905, 5430467, 11636715, 16291401, 27152335, 81457005]

約数ペア:

[(1, 81457005), (3, 27152335), (5, 16291401), (7, 11636715), (15, 5430467), (21, 3878905), (35, 2327343), (101, 806505), (105, 775781), (303, 268835), (505, 161301), (707, 115215), (1515, 53767), (2121, 38405), (3535, 23043), (7681, 10605)]