3971205

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{1801}}^1$

素因数の和:1826

約数の個数: 36

約数和(自身を含む): 8011692

約数和(自身を除く): 4040487

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 1801, 2205, 5403, 9005, 12607, 16209, 27015, 37821, 63035, 81045, 88249, 113463, 189105, 264747, 441245, 567315, 794241, 1323735, 3971205]

約数ペア:

[(1, 3971205), (3, 1323735), (5, 794241), (7, 567315), (9, 441245), (15, 264747), (21, 189105), (35, 113463), (45, 88249), (49, 81045), (63, 63035), (105, 37821), (147, 27015), (245, 16209), (315, 12607), (441, 9005), (735, 5403), (1801, 2205)]