206890677

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 361320960

約数和(自身を除く): 154430283

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 307, 399, 563, 921, 1197, 1689, 2149, 2763, 3941, 5067, 5833, 6447, 10697, 11823, 17499, 19341, 32091, 35469, 40831, 52497, 74879, 96273, 122493, 172841, 224637, 367479, 518523, 673911, 1209887, 1555569, 3283979, 3629661, 9851937, 10888983, 22987853, 29555811, 68963559, 206890677]

約数ペア:

[(1, 206890677), (3, 68963559), (7, 29555811), (9, 22987853), (19, 10888983), (21, 9851937), (57, 3629661), (63, 3283979), (133, 1555569), (171, 1209887), (307, 673911), (399, 518523), (563, 367479), (921, 224637), (1197, 172841), (1689, 122493), (2149, 96273), (2763, 74879), (3941, 52497), (5067, 40831), (5833, 35469), (6447, 32091), (10697, 19341), (11823, 17499)]