2751813

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 20

約数和(自身を含む): 4194828

約数和(自身を除く): 1443015

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 641, 1431, 1923, 4293, 5769, 17307, 33973, 51921, 101919, 305757, 917271, 2751813]

約数ペア:

[(1, 2751813), (3, 917271), (9, 305757), (27, 101919), (53, 51921), (81, 33973), (159, 17307), (477, 5769), (641, 4293), (1431, 1923)]