9940987

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 11935744

約数和(自身を除く): 1994757

約数列:

[1, 7, 31, 61, 217, 427, 751, 1891, 5257, 13237, 23281, 45811, 162967, 320677, 1420141, 9940987]

約数ペア:

[(1, 9940987), (7, 1420141), (31, 320677), (61, 162967), (217, 45811), (427, 23281), (751, 13237), (1891, 5257)]