2987257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 3894912

約数和(自身を除く): 907655

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1931, 13517, 25103, 32827, 175721, 229789, 426751, 2987257]

約数ペア:

[(1, 2987257), (7, 426751), (13, 229789), (17, 175721), (91, 32827), (119, 25103), (221, 13517), (1547, 1931)]