1261930581

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{643}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 2009280000

約数和(自身を除く): 747349419

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 499, 643, 1311, 1497, 1929, 3933, 4491, 5787, 9481, 11477, 12217, 14789, 28443, 34431, 36651, 44367, 85329, 103293, 109953, 133101, 218063, 280991, 320857, 654189, 842973, 962571, 1962567, 2528919, 2887713, 6096283, 7379711, 18288849, 22139133, 54866547, 66417399, 140214509, 420643527, 1261930581]

約数ペア:

[(1, 1261930581), (3, 420643527), (9, 140214509), (19, 66417399), (23, 54866547), (57, 22139133), (69, 18288849), (171, 7379711), (207, 6096283), (437, 2887713), (499, 2528919), (643, 1962567), (1311, 962571), (1497, 842973), (1929, 654189), (3933, 320857), (4491, 280991), (5787, 218063), (9481, 133101), (11477, 109953), (12217, 103293), (14789, 85329), (28443, 44367), (34431, 36651)]