157464723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 250629120

約数和(自身を除く): 93164397

約数列:

[1, 3, 13, 19, 39, 41, 57, 71, 73, 123, 213, 219, 247, 533, 741, 779, 923, 949, 1349, 1387, 1599, 2337, 2769, 2847, 2911, 2993, 4047, 4161, 5183, 8733, 8979, 10127, 15549, 17537, 18031, 30381, 37843, 38909, 52611, 54093, 55309, 56867, 67379, 98477, 113529, 116727, 165927, 170601, 202137, 212503, 295431, 637509, 719017, 739271, 1280201, 2157051, 2217813, 2762539, 3840603, 4037557, 8287617, 12112671, 52488241, 157464723]

約数ペア:

[(1, 157464723), (3, 52488241), (13, 12112671), (19, 8287617), (39, 4037557), (41, 3840603), (57, 2762539), (71, 2217813), (73, 2157051), (123, 1280201), (213, 739271), (219, 719017), (247, 637509), (533, 295431), (741, 212503), (779, 202137), (923, 170601), (949, 165927), (1349, 116727), (1387, 113529), (1599, 98477), (2337, 67379), (2769, 56867), (2847, 55309), (2911, 54093), (2993, 52611), (4047, 38909), (4161, 37843), (5183, 30381), (8733, 18031), (8979, 17537), (10127, 15549)]