2720187

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 4346784

約数和(自身を除く): 1626597

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 773, 1173, 2319, 3519, 6957, 13141, 17779, 39423, 53337, 118269, 160011, 302243, 906729, 2720187]

約数ペア:

[(1, 2720187), (3, 906729), (9, 302243), (17, 160011), (23, 118269), (51, 53337), (69, 39423), (153, 17779), (207, 13141), (391, 6957), (773, 3519), (1173, 2319)]