381878541

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 616636800

約数和(自身を除く): 234758259

約数列:

[1, 3, 9, 11, 33, 71, 99, 121, 213, 363, 449, 639, 781, 1089, 1331, 1347, 2343, 3993, 4041, 4939, 7029, 8591, 11979, 14817, 25773, 31879, 44451, 54329, 77319, 94501, 95637, 162987, 283503, 286911, 350669, 488961, 597619, 850509, 1052007, 1792857, 3156021, 3857359, 5378571, 11572077, 34716231, 42430949, 127292847, 381878541]

約数ペア:

[(1, 381878541), (3, 127292847), (9, 42430949), (11, 34716231), (33, 11572077), (71, 5378571), (99, 3857359), (121, 3156021), (213, 1792857), (363, 1052007), (449, 850509), (639, 597619), (781, 488961), (1089, 350669), (1331, 286911), (1347, 283503), (2343, 162987), (3993, 95637), (4041, 94501), (4939, 77319), (7029, 54329), (8591, 44451), (11979, 31879), (14817, 25773)]