489290109

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 924549120

約数和(自身を除く): 435259011

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 37, 57, 69, 77, 111, 131, 133, 161, 209, 231, 253, 259, 393, 399, 407, 437, 483, 627, 703, 759, 777, 851, 917, 1221, 1311, 1441, 1463, 1771, 2109, 2489, 2553, 2751, 2849, 3013, 3059, 4323, 4389, 4807, 4847, 4921, 5313, 5957, 7467, 7733, 8547, 9039, 9177, 9361, 10087, 14421, 14541, 14763, 16169, 17423, 17871, 21091, 23199, 27379, 28083, 30261, 33143, 33649, 33929, 48507, 52269, 53317, 54131, 57247, 63273, 65527, 82137, 92093, 99429, 100947, 101787, 111481, 113183, 159951, 162393, 171741, 177859, 191653, 196581, 232001, 276279, 334443, 339549, 373219, 400729, 533577, 574959, 629717, 644651, 696003, 780367, 1013023, 1119657, 1202187, 1226291, 1245013, 1889151, 1933953, 2118139, 2341101, 3039069, 3678873, 3735039, 4408019, 6354417, 7091161, 8584037, 13224057, 14826973, 21273483, 23299529, 25752111, 44480919, 69898587, 163096703, 489290109]

約数ペア:

[(1, 489290109), (3, 163096703), (7, 69898587), (11, 44480919), (19, 25752111), (21, 23299529), (23, 21273483), (33, 14826973), (37, 13224057), (57, 8584037), (69, 7091161), (77, 6354417), (111, 4408019), (131, 3735039), (133, 3678873), (161, 3039069), (209, 2341101), (231, 2118139), (253, 1933953), (259, 1889151), (393, 1245013), (399, 1226291), (407, 1202187), (437, 1119657), (483, 1013023), (627, 780367), (703, 696003), (759, 644651), (777, 629717), (851, 574959), (917, 533577), (1221, 400729), (1311, 373219), (1441, 339549), (1463, 334443), (1771, 276279), (2109, 232001), (2489, 196581), (2553, 191653), (2751, 177859), (2849, 171741), (3013, 162393), (3059, 159951), (4323, 113183), (4389, 111481), (4807, 101787), (4847, 100947), (4921, 99429), (5313, 92093), (5957, 82137), (7467, 65527), (7733, 63273), (8547, 57247), (9039, 54131), (9177, 53317), (9361, 52269), (10087, 48507), (14421, 33929), (14541, 33649), (14763, 33143), (16169, 30261), (17423, 28083), (17871, 27379), (21091, 23199)]