2008684821

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 3224430720

約数和(自身を除く): 1215745899

約数列:

[1, 3, 11, 13, 33, 39, 121, 137, 143, 169, 239, 363, 411, 429, 507, 717, 1507, 1573, 1781, 1859, 2629, 3107, 4521, 4719, 5343, 5577, 7887, 9321, 16577, 19591, 20449, 23153, 28919, 32743, 34177, 40391, 49731, 58773, 61347, 69459, 86757, 98229, 102531, 121173, 215501, 254683, 360173, 375947, 425659, 444301, 646503, 764049, 1080519, 1127841, 1276977, 1332903, 2801513, 3961903, 4682249, 4887311, 5533567, 8404539, 11885709, 14046747, 14661933, 16600701, 51504739, 60869237, 154514217, 182607711, 669561607, 2008684821]

約数ペア:

[(1, 2008684821), (3, 669561607), (11, 182607711), (13, 154514217), (33, 60869237), (39, 51504739), (121, 16600701), (137, 14661933), (143, 14046747), (169, 11885709), (239, 8404539), (363, 5533567), (411, 4887311), (429, 4682249), (507, 3961903), (717, 2801513), (1507, 1332903), (1573, 1276977), (1781, 1127841), (1859, 1080519), (2629, 764049), (3107, 646503), (4521, 444301), (4719, 425659), (5343, 375947), (5577, 360173), (7887, 254683), (9321, 215501), (16577, 121173), (19591, 102531), (20449, 98229), (23153, 86757), (28919, 69459), (32743, 61347), (34177, 58773), (40391, 49731)]