12205965

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 20203776

約数和(自身を除く): 7997811

約数列:

[1, 3, 5, 15, 71, 73, 157, 213, 219, 355, 365, 471, 785, 1065, 1095, 2355, 5183, 11147, 11461, 15549, 25915, 33441, 34383, 55735, 57305, 77745, 167205, 171915, 813731, 2441193, 4068655, 12205965]

約数ペア:

[(1, 12205965), (3, 4068655), (5, 2441193), (15, 813731), (71, 171915), (73, 167205), (157, 77745), (213, 57305), (219, 55735), (355, 34383), (365, 33441), (471, 25915), (785, 15549), (1065, 11461), (1095, 11147), (2355, 5183)]