2187896697

素因数分解:

$3^3\times 7^2\times {\mathrm{1653739}}^1$

素因数の和:1653762

約数の個数: 24

約数和(自身を含む): 3770527200

約数和(自身を除く): 1582630503

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1653739, 4961217, 11576173, 14883651, 34728519, 44650953, 81033211, 104185557, 243099633, 312556671, 729298899, 2187896697]

約数ペア:

[(1, 2187896697), (3, 729298899), (7, 312556671), (9, 243099633), (21, 104185557), (27, 81033211), (49, 44650953), (63, 34728519), (147, 14883651), (189, 11576173), (441, 4961217), (1323, 1653739)]