6645005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 8431104

約数和(自身を除く): 1786099

約数列:

[1, 5, 31, 43, 155, 215, 997, 1333, 4985, 6665, 30907, 42871, 154535, 214355, 1329001, 6645005]

約数ペア:

[(1, 6645005), (5, 1329001), (31, 214355), (43, 154535), (155, 42871), (215, 30907), (997, 6665), (1333, 4985)]