1387662777

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 2148120000

約数和(自身を除く): 760457223

約数列:

[1, 3, 9, 19, 57, 107, 149, 171, 321, 447, 509, 963, 1341, 1527, 2033, 2831, 4581, 6099, 8493, 9671, 15943, 18297, 25479, 29013, 47829, 54463, 75841, 87039, 143487, 163389, 227523, 302917, 490167, 682569, 908751, 1034797, 1440979, 2726253, 3104391, 4322937, 8114987, 9313173, 12968811, 24344961, 73034883, 154184753, 462554259, 1387662777]

約数ペア:

[(1, 1387662777), (3, 462554259), (9, 154184753), (19, 73034883), (57, 24344961), (107, 12968811), (149, 9313173), (171, 8114987), (321, 4322937), (447, 3104391), (509, 2726253), (963, 1440979), (1341, 1034797), (1527, 908751), (2033, 682569), (2831, 490167), (4581, 302917), (6099, 227523), (8493, 163389), (9671, 143487), (15943, 87039), (18297, 75841), (25479, 54463), (29013, 47829)]