81023705

素因数分解:

$5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1483}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 113686272

約数和(自身を除く): 32662567

約数列:

[1, 5, 7, 35, 49, 223, 245, 1115, 1483, 1561, 7415, 7805, 10381, 10927, 51905, 54635, 72667, 330709, 363335, 1653545, 2314963, 11574815, 16204741, 81023705]

約数ペア:

[(1, 81023705), (5, 16204741), (7, 11574815), (35, 2314963), (49, 1653545), (223, 363335), (245, 330709), (1115, 72667), (1483, 54635), (1561, 51905), (7415, 10927), (7805, 10381)]