28490037

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 41091072

約数和(自身を除く): 12601035

約数列:

[1, 3, 37, 43, 47, 111, 127, 129, 141, 381, 1591, 1739, 2021, 4699, 4773, 5217, 5461, 5969, 6063, 14097, 16383, 17907, 74777, 202057, 220853, 224331, 256667, 606171, 662559, 770001, 9496679, 28490037]

約数ペア:

[(1, 28490037), (3, 9496679), (37, 770001), (43, 662559), (47, 606171), (111, 256667), (127, 224331), (129, 220853), (141, 202057), (381, 74777), (1591, 17907), (1739, 16383), (2021, 14097), (4699, 6063), (4773, 5969), (5217, 5461)]