209320947

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{49171}}^1$

素因数の和:49231

約数の個数: 24

約数和(自身を含む): 337516608

約数和(自身を除く): 128195661

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 49171, 147513, 442539, 540881, 1622643, 2114353, 4867929, 6343059, 19029177, 23257883, 69773649, 209320947]

約数ペア:

[(1, 209320947), (3, 69773649), (9, 23257883), (11, 19029177), (33, 6343059), (43, 4867929), (99, 2114353), (129, 1622643), (387, 540881), (473, 442539), (1419, 147513), (4257, 49171)]