1243726749

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{20897}}^1$

素因数の和:21309

約数の個数: 24

約数和(自身を含む): 1907151480

約数和(自身を除く): 663424731

約数列:

[1, 3, 9, 17, 51, 153, 389, 1167, 3501, 6613, 19839, 20897, 59517, 62691, 188073, 355249, 1065747, 3197241, 8128933, 24386799, 73160397, 138191861, 414575583, 1243726749]

約数ペア:

[(1, 1243726749), (3, 414575583), (9, 138191861), (17, 73160397), (51, 24386799), (153, 8128933), (389, 3197241), (1167, 1065747), (3501, 355249), (6613, 188073), (19839, 62691), (20897, 59517)]