8156001987

素因数分解:

$3^2\times 7^1\times {\mathrm{129460349}}^1$

素因数の和:129460362

約数の個数: 12

約数和(自身を含む): 13463876400

約数和(自身を除く): 5307874413

約数列:

[1, 3, 7, 9, 21, 63, 129460349, 388381047, 906222443, 1165143141, 2718667329, 8156001987]

約数ペア:

[(1, 8156001987), (3, 2718667329), (7, 1165143141), (9, 906222443), (21, 388381047), (63, 129460349)]