13537671

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 22872960

約数和(自身を除く): 9335289

約数列:

[1, 3, 7, 19, 21, 37, 49, 57, 111, 131, 133, 147, 259, 393, 399, 703, 777, 917, 931, 1813, 2109, 2489, 2751, 2793, 4847, 4921, 5439, 6419, 7467, 14541, 14763, 17423, 19257, 33929, 34447, 52269, 92093, 101787, 103341, 121961, 237503, 276279, 365883, 644651, 712509, 1933953, 4512557, 13537671]

約数ペア:

[(1, 13537671), (3, 4512557), (7, 1933953), (19, 712509), (21, 644651), (37, 365883), (49, 276279), (57, 237503), (111, 121961), (131, 103341), (133, 101787), (147, 92093), (259, 52269), (393, 34447), (399, 33929), (703, 19257), (777, 17423), (917, 14763), (931, 14541), (1813, 7467), (2109, 6419), (2489, 5439), (2751, 4921), (2793, 4847)]