25253943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 41602176

約数和(自身を除く): 16348233

約数列:

[1, 3, 11, 13, 33, 37, 39, 43, 111, 129, 143, 407, 429, 473, 481, 559, 1221, 1369, 1419, 1443, 1591, 1677, 4107, 4773, 5291, 6149, 15059, 15873, 17501, 17797, 18447, 20683, 45177, 52503, 53391, 58867, 62049, 176601, 195767, 227513, 587301, 647537, 682539, 765271, 1942611, 2295813, 8417981, 25253943]

約数ペア:

[(1, 25253943), (3, 8417981), (11, 2295813), (13, 1942611), (33, 765271), (37, 682539), (39, 647537), (43, 587301), (111, 227513), (129, 195767), (143, 176601), (407, 62049), (429, 58867), (473, 53391), (481, 52503), (559, 45177), (1221, 20683), (1369, 18447), (1419, 17797), (1443, 17501), (1591, 15873), (1677, 15059), (4107, 6149), (4773, 5291)]