1281009849

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3210551}}^1$

素因数の和:3210580

約数の個数: 16

約数和(自身を含む): 2054753280

約数和(自身を除く): 773743431

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3210551, 9631653, 22473857, 61000469, 67421571, 183001407, 427003283, 1281009849]

約数ペア:

[(1, 1281009849), (3, 427003283), (7, 183001407), (19, 67421571), (21, 61000469), (57, 22473857), (133, 9631653), (399, 3210551)]