1378810881

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 2315723904

約数和(自身を除く): 936913023

約数列:

[1, 3, 7, 9, 21, 63, 107, 137, 321, 411, 749, 959, 963, 1233, 1493, 2247, 2877, 4479, 6741, 8631, 10451, 13437, 14659, 31353, 43977, 94059, 102613, 131931, 159751, 204541, 307839, 479253, 613623, 923517, 1118257, 1431787, 1437759, 1840869, 3354771, 4295361, 10064313, 12886083, 21885887, 65657661, 153201209, 196972983, 459603627, 1378810881]

約数ペア:

[(1, 1378810881), (3, 459603627), (7, 196972983), (9, 153201209), (21, 65657661), (63, 21885887), (107, 12886083), (137, 10064313), (321, 4295361), (411, 3354771), (749, 1840869), (959, 1437759), (963, 1431787), (1233, 1118257), (1493, 923517), (2247, 613623), (2877, 479253), (4479, 307839), (6741, 204541), (8631, 159751), (10451, 131931), (13437, 102613), (14659, 94059), (31353, 43977)]