11897361

素因数分解:

$3^4\times 7^1\times {\mathrm{20983}}^1$

素因数の和:21002

約数の個数: 20

約数和(自身を含む): 20312512

約数和(自身を除く): 8415151

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 20983, 62949, 146881, 188847, 440643, 566541, 1321929, 1699623, 3965787, 11897361]

約数ペア:

[(1, 11897361), (3, 3965787), (7, 1699623), (9, 1321929), (21, 566541), (27, 440643), (63, 188847), (81, 146881), (189, 62949), (567, 20983)]