1331778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 3129984

約数和(自身を除く): 1798206

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 857, 1554, 1714, 2571, 5142, 5999, 11998, 17997, 31709, 35994, 63418, 95127, 190254, 221963, 443926, 665889, 1331778]

約数ペア:

[(1, 1331778), (2, 665889), (3, 443926), (6, 221963), (7, 190254), (14, 95127), (21, 63418), (37, 35994), (42, 31709), (74, 17997), (111, 11998), (222, 5999), (259, 5142), (518, 2571), (777, 1714), (857, 1554)]