210867789

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 320604480

約数和(自身を除く): 109736691

約数列:

[1, 3, 11, 33, 61, 89, 107, 121, 183, 267, 321, 363, 671, 979, 1177, 2013, 2937, 3531, 5429, 6527, 7381, 9523, 10769, 12947, 16287, 19581, 22143, 28569, 32307, 38841, 59719, 71797, 104753, 179157, 215391, 314259, 580903, 656909, 789767, 1152283, 1742709, 1970727, 2369301, 3456849, 6389933, 19169799, 70289263, 210867789]

約数ペア:

[(1, 210867789), (3, 70289263), (11, 19169799), (33, 6389933), (61, 3456849), (89, 2369301), (107, 1970727), (121, 1742709), (183, 1152283), (267, 789767), (321, 656909), (363, 580903), (671, 314259), (979, 215391), (1177, 179157), (2013, 104753), (2937, 71797), (3531, 59719), (5429, 38841), (6527, 32307), (7381, 28569), (9523, 22143), (10769, 19581), (12947, 16287)]