8120007

素因数分解:

$3^4\times 7^1\times {\mathrm{14321}}^1$

素因数の和:14340

約数の個数: 20

約数和(自身を含む): 13863696

約数和(自身を除く): 5743689

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 14321, 42963, 100247, 128889, 300741, 386667, 902223, 1160001, 2706669, 8120007]

約数ペア:

[(1, 8120007), (3, 2706669), (7, 1160001), (9, 902223), (21, 386667), (27, 300741), (63, 128889), (81, 100247), (189, 42963), (567, 14321)]