206611209

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{17921}}^1$

素因数の和:17998

約数の個数: 32

約数和(自身を含む): 355572480

約数和(自身を除く): 148961271

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11529, 17921, 53763, 125447, 161289, 376341, 483867, 1093181, 1129023, 3279543, 3387069, 7652267, 9838629, 22956801, 29515887, 68870403, 206611209]

約数ペア:

[(1, 206611209), (3, 68870403), (7, 29515887), (9, 22956801), (21, 9838629), (27, 7652267), (61, 3387069), (63, 3279543), (183, 1129023), (189, 1093181), (427, 483867), (549, 376341), (1281, 161289), (1647, 125447), (3843, 53763), (11529, 17921)]