989835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 1976832

約数和(自身を除く): 986997

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 857, 1155, 2571, 4285, 5999, 9427, 12855, 17997, 28281, 29995, 47135, 65989, 89985, 141405, 197967, 329945, 989835]

約数ペア:

[(1, 989835), (3, 329945), (5, 197967), (7, 141405), (11, 89985), (15, 65989), (21, 47135), (33, 29995), (35, 28281), (55, 17997), (77, 12855), (105, 9427), (165, 5999), (231, 4285), (385, 2571), (857, 1155)]