2993921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 16

約数和(自身を含む): 3669120

約数和(自身を除く): 675199

約数列:

[1, 7, 17, 119, 139, 181, 973, 1267, 2363, 3077, 16541, 21539, 25159, 176113, 427703, 2993921]

約数ペア:

[(1, 2993921), (7, 427703), (17, 176113), (119, 25159), (139, 21539), (181, 16541), (973, 3077), (1267, 2363)]