26720415

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4603}}^1$

素因数の和:4660

約数の個数: 32

約数和(自身を含む): 48618240

約数和(自身を除く): 21897825

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 4603, 5805, 13809, 23015, 41427, 69045, 124281, 197929, 207135, 593787, 621405, 989645, 1781361, 2968935, 5344083, 8906805, 26720415]

約数ペア:

[(1, 26720415), (3, 8906805), (5, 5344083), (9, 2968935), (15, 1781361), (27, 989645), (43, 621405), (45, 593787), (129, 207135), (135, 197929), (215, 124281), (387, 69045), (645, 41427), (1161, 23015), (1935, 13809), (4603, 5805)]