28146657

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 50595840

約数和(自身を除く): 22449183

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 121, 133, 159, 209, 231, 363, 371, 399, 583, 627, 847, 1007, 1113, 1331, 1463, 1749, 2299, 2541, 3021, 3993, 4081, 4389, 6413, 6897, 7049, 9317, 11077, 12243, 16093, 19239, 21147, 25289, 27951, 33231, 44891, 48279, 70543, 75867, 77539, 121847, 134673, 177023, 211629, 232617, 365541, 493801, 531069, 852929, 1340317, 1481403, 2558787, 4020951, 9382219, 28146657]

約数ペア:

[(1, 28146657), (3, 9382219), (7, 4020951), (11, 2558787), (19, 1481403), (21, 1340317), (33, 852929), (53, 531069), (57, 493801), (77, 365541), (121, 232617), (133, 211629), (159, 177023), (209, 134673), (231, 121847), (363, 77539), (371, 75867), (399, 70543), (583, 48279), (627, 44891), (847, 33231), (1007, 27951), (1113, 25289), (1331, 21147), (1463, 19239), (1749, 16093), (2299, 12243), (2541, 11077), (3021, 9317), (3993, 7049), (4081, 6897), (4389, 6413)]