15325289

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 18714240

約数和(自身を除く): 3388951

約数列:

[1, 7, 37, 49, 79, 107, 259, 553, 749, 1813, 2923, 3871, 3959, 5243, 8453, 20461, 27713, 59171, 143227, 193991, 312761, 414197, 2189327, 15325289]

約数ペア:

[(1, 15325289), (7, 2189327), (37, 414197), (49, 312761), (79, 193991), (107, 143227), (259, 59171), (553, 27713), (749, 20461), (1813, 8453), (2923, 5243), (3871, 3959)]