2100007

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 2644992

約数和(自身を除く): 544985

約数列:

[1, 7, 13, 47, 91, 329, 491, 611, 3437, 4277, 6383, 23077, 44681, 161539, 300001, 2100007]

約数ペア:

[(1, 2100007), (7, 300001), (13, 161539), (47, 44681), (91, 23077), (329, 6383), (491, 4277), (611, 3437)]