9987747

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43237}}^1$

素因数の和:43258

約数の個数: 16

約数和(自身を含む): 16603392

約数和(自身を除く): 6615645

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 43237, 129711, 302659, 475607, 907977, 1426821, 3329249, 9987747]

約数ペア:

[(1, 9987747), (3, 3329249), (7, 1426821), (11, 907977), (21, 475607), (33, 302659), (77, 129711), (231, 43237)]