253661517

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{67589}}^1$

素因数の和:67737

約数の個数: 16

約数和(自身を含む): 378504000

約数和(自身を除く): 124842483

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 67589, 202767, 608301, 1824903, 9394871, 28184613, 84553839, 253661517]

約数ペア:

[(1, 253661517), (3, 84553839), (9, 28184613), (27, 9394871), (139, 1824903), (417, 608301), (1251, 202767), (3753, 67589)]