208909323

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{54361}}^1$

素因数の和:54435

約数の個数: 24

約数和(自身を含む): 350526176

約数和(自身を除く): 141616853

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 54361, 163083, 380527, 489249, 1141581, 3316021, 3424743, 9948063, 23212147, 29844189, 69636441, 208909323]

約数ペア:

[(1, 208909323), (3, 69636441), (7, 29844189), (9, 23212147), (21, 9948063), (61, 3424743), (63, 3316021), (183, 1141581), (427, 489249), (549, 380527), (1281, 163083), (3843, 54361)]