291280431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1217}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 467770464

約数和(自身を除く): 176490033

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 361, 663, 741, 969, 1083, 1217, 3651, 4199, 4693, 6137, 12597, 14079, 15821, 18411, 20689, 23123, 47463, 62067, 69369, 79781, 239343, 268957, 300599, 393091, 439337, 806871, 901797, 1179273, 1318011, 5110183, 5711381, 7468729, 15330549, 17134143, 22406187, 97093477, 291280431]

約数ペア:

[(1, 291280431), (3, 97093477), (13, 22406187), (17, 17134143), (19, 15330549), (39, 7468729), (51, 5711381), (57, 5110183), (221, 1318011), (247, 1179273), (323, 901797), (361, 806871), (663, 439337), (741, 393091), (969, 300599), (1083, 268957), (1217, 239343), (3651, 79781), (4199, 69369), (4693, 62067), (6137, 47463), (12597, 23123), (14079, 20689), (15821, 18411)]