6686895

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 11176704

約数和(自身を除く): 4489809

約数列:

[1, 3, 5, 15, 41, 83, 123, 131, 205, 249, 393, 415, 615, 655, 1245, 1965, 3403, 5371, 10209, 10873, 16113, 17015, 26855, 32619, 51045, 54365, 80565, 163095, 445793, 1337379, 2228965, 6686895]

約数ペア:

[(1, 6686895), (3, 2228965), (5, 1337379), (15, 445793), (41, 163095), (83, 80565), (123, 54365), (131, 51045), (205, 32619), (249, 26855), (393, 17015), (415, 16113), (615, 10873), (655, 10209), (1245, 5371), (1965, 3403)]