2220489

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 3549312

約数和(自身を除く): 1328823

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 631, 1173, 1893, 3519, 5679, 10727, 14513, 32181, 43539, 96543, 130617, 246721, 740163, 2220489]

約数ペア:

[(1, 2220489), (3, 740163), (9, 246721), (17, 130617), (23, 96543), (51, 43539), (69, 32181), (153, 14513), (207, 10727), (391, 5679), (631, 3519), (1173, 1893)]