220165869

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 381542400

約数和(自身を除く): 161376531

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 147, 159, 231, 343, 367, 371, 539, 583, 1029, 1101, 1113, 1617, 1749, 2569, 2597, 3773, 4037, 4081, 7707, 7791, 11319, 12111, 12243, 17983, 18179, 19451, 28259, 28567, 53949, 54537, 58353, 84777, 85701, 125881, 136157, 197813, 199969, 213961, 377643, 408471, 593439, 599907, 641883, 953099, 1384691, 1497727, 2859297, 4154073, 4493181, 6671693, 10484089, 20015079, 31452267, 73388623, 220165869]

約数ペア:

[(1, 220165869), (3, 73388623), (7, 31452267), (11, 20015079), (21, 10484089), (33, 6671693), (49, 4493181), (53, 4154073), (77, 2859297), (147, 1497727), (159, 1384691), (231, 953099), (343, 641883), (367, 599907), (371, 593439), (539, 408471), (583, 377643), (1029, 213961), (1101, 199969), (1113, 197813), (1617, 136157), (1749, 125881), (2569, 85701), (2597, 84777), (3773, 58353), (4037, 54537), (4081, 53949), (7707, 28567), (7791, 28259), (11319, 19451), (12111, 18179), (12243, 17983)]