27201615

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 26711985

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 311, 343, 357, 595, 735, 833, 933, 1029, 1555, 1715, 1785, 2177, 2499, 4165, 4665, 5145, 5287, 5831, 6531, 10885, 12495, 15239, 15861, 17493, 26435, 29155, 32655, 37009, 45717, 76195, 79305, 87465, 106673, 111027, 185045, 228585, 259063, 320019, 533365, 555135, 777189, 1295315, 1600095, 1813441, 3885945, 5440323, 9067205, 27201615]

約数ペア:

[(1, 27201615), (3, 9067205), (5, 5440323), (7, 3885945), (15, 1813441), (17, 1600095), (21, 1295315), (35, 777189), (49, 555135), (51, 533365), (85, 320019), (105, 259063), (119, 228585), (147, 185045), (245, 111027), (255, 106673), (311, 87465), (343, 79305), (357, 76195), (595, 45717), (735, 37009), (833, 32655), (933, 29155), (1029, 26435), (1555, 17493), (1715, 15861), (1785, 15239), (2177, 12495), (2499, 10885), (4165, 6531), (4665, 5831), (5145, 5287)]