25725945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 47232000

約数和(自身を除く): 21506055

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 491, 499, 1473, 1497, 2455, 2495, 3437, 3493, 7365, 7485, 10311, 10479, 17185, 17465, 51555, 52395, 245009, 735027, 1225045, 1715063, 3675135, 5145189, 8575315, 25725945]

約数ペア:

[(1, 25725945), (3, 8575315), (5, 5145189), (7, 3675135), (15, 1715063), (21, 1225045), (35, 735027), (105, 245009), (491, 52395), (499, 51555), (1473, 17465), (1497, 17185), (2455, 10479), (2495, 10311), (3437, 7485), (3493, 7365)]