2189385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4423}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 4140864

約数和(自身を除く): 1951479

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 4423, 13269, 22115, 39807, 48653, 66345, 145959, 199035, 243265, 437877, 729795, 2189385]

約数ペア:

[(1, 2189385), (3, 729795), (5, 437877), (9, 243265), (11, 199035), (15, 145959), (33, 66345), (45, 48653), (55, 39807), (99, 22115), (165, 13269), (495, 4423)]