27021729

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 15878751

約数列:

[1, 3, 7, 21, 37, 83, 111, 249, 259, 419, 581, 777, 1257, 1743, 2933, 3071, 8799, 9213, 15503, 21497, 34777, 46509, 64491, 104331, 108521, 243439, 325563, 730317, 1286749, 3860247, 9007243, 27021729]

約数ペア:

[(1, 27021729), (3, 9007243), (7, 3860247), (21, 1286749), (37, 730317), (83, 325563), (111, 243439), (249, 108521), (259, 104331), (419, 64491), (581, 46509), (777, 34777), (1257, 21497), (1743, 15503), (2933, 9213), (3071, 8799)]