15801621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 8528619

約数列:

[1, 3, 11, 23, 33, 69, 109, 191, 253, 327, 573, 759, 1199, 2101, 2507, 3597, 4393, 6303, 7521, 13179, 20819, 27577, 48323, 62457, 82731, 144969, 229009, 478837, 687027, 1436511, 5267207, 15801621]

約数ペア:

[(1, 15801621), (3, 5267207), (11, 1436511), (23, 687027), (33, 478837), (69, 229009), (109, 144969), (191, 82731), (253, 62457), (327, 48323), (573, 27577), (759, 20819), (1199, 13179), (2101, 7521), (2507, 6303), (3597, 4393)]