2688273

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 4507776

約数和(自身を除く): 1819503

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 601, 639, 1491, 1803, 4207, 4473, 5409, 12621, 37863, 42671, 128013, 298697, 384039, 896091, 2688273]

約数ペア:

[(1, 2688273), (3, 896091), (7, 384039), (9, 298697), (21, 128013), (63, 42671), (71, 37863), (213, 12621), (497, 5409), (601, 4473), (639, 4207), (1491, 1803)]