528079209

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 817259520

約数和(自身を除く): 289180311

約数列:

[1, 3, 7, 21, 131, 139, 393, 417, 917, 973, 1381, 2751, 2919, 4143, 9667, 18209, 29001, 54627, 127463, 180911, 191959, 382389, 542733, 575877, 1266377, 1343713, 3799131, 4031139, 25146629, 75439887, 176026403, 528079209]

約数ペア:

[(1, 528079209), (3, 176026403), (7, 75439887), (21, 25146629), (131, 4031139), (139, 3799131), (393, 1343713), (417, 1266377), (917, 575877), (973, 542733), (1381, 382389), (2751, 191959), (2919, 180911), (4143, 127463), (9667, 54627), (18209, 29001)]