289032003

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 482549760

約数和(自身を除く): 193517757

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 101, 117, 263, 279, 303, 351, 403, 789, 837, 909, 1209, 1313, 2367, 2727, 3131, 3419, 3627, 3939, 7101, 8153, 9393, 10257, 10881, 11817, 24459, 26563, 28179, 30771, 35451, 40703, 73377, 79689, 84537, 92313, 105989, 122109, 220131, 239067, 317967, 345319, 366327, 717201, 823453, 953901, 1035957, 1098981, 2470359, 2861703, 3107871, 7411077, 9323613, 10704889, 22233231, 32114667, 96344001, 289032003]

約数ペア:

[(1, 289032003), (3, 96344001), (9, 32114667), (13, 22233231), (27, 10704889), (31, 9323613), (39, 7411077), (93, 3107871), (101, 2861703), (117, 2470359), (263, 1098981), (279, 1035957), (303, 953901), (351, 823453), (403, 717201), (789, 366327), (837, 345319), (909, 317967), (1209, 239067), (1313, 220131), (2367, 122109), (2727, 105989), (3131, 92313), (3419, 84537), (3627, 79689), (3939, 73377), (7101, 40703), (8153, 35451), (9393, 30771), (10257, 28179), (10881, 26563), (11817, 24459)]