1231988751

素因数分解:

$3^3\times 7^1\times {\mathrm{6518459}}^1$

素因数の和:6518475

約数の個数: 16

約数和(自身を含む): 2085907200

約数和(自身を除く): 853918449

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6518459, 19555377, 45629213, 58666131, 136887639, 175998393, 410662917, 1231988751]

約数ペア:

[(1, 1231988751), (3, 410662917), (7, 175998393), (9, 136887639), (21, 58666131), (27, 45629213), (63, 19555377), (189, 6518459)]