27972219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5399}}^1$

素因数の和:5570

約数の個数: 16

約数和(自身を含む): 40953600

約数和(自身を除く): 12981381

約数列:

[1, 3, 11, 33, 157, 471, 1727, 5181, 5399, 16197, 59389, 178167, 847643, 2542929, 9324073, 27972219]

約数ペア:

[(1, 27972219), (3, 9324073), (11, 2542929), (33, 847643), (157, 178167), (471, 59389), (1727, 16197), (5181, 5399)]