72197559

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 126297600

約数和(自身を除く): 54100041

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 261, 301, 387, 609, 903, 919, 1247, 1827, 2709, 2757, 3741, 6433, 8271, 8729, 11223, 19299, 26187, 26651, 39517, 57897, 78561, 79953, 118551, 186557, 239859, 276619, 355653, 559671, 829857, 1145993, 1679013, 2489571, 3437979, 8021951, 10313937, 24065853, 72197559]

約数ペア:

[(1, 72197559), (3, 24065853), (7, 10313937), (9, 8021951), (21, 3437979), (29, 2489571), (43, 1679013), (63, 1145993), (87, 829857), (129, 559671), (203, 355653), (261, 276619), (301, 239859), (387, 186557), (609, 118551), (903, 79953), (919, 78561), (1247, 57897), (1827, 39517), (2709, 26651), (2757, 26187), (3741, 19299), (6433, 11223), (8271, 8729)]