200405961

素因数分解:

$3^3\times 7^1\times {\mathrm{1060349}}^1$

素因数の和:1060365

約数の個数: 16

約数和(自身を含む): 339312000

約数和(自身を除く): 138906039

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1060349, 3181047, 7422443, 9543141, 22267329, 28629423, 66801987, 200405961]

約数ペア:

[(1, 200405961), (3, 66801987), (7, 28629423), (9, 22267329), (21, 9543141), (27, 7422443), (63, 3181047), (189, 1060349)]