287324739

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{272863}}^1$

素因数の和:272888

約数の個数: 20

約数和(自身を含む): 462231616

約数和(自身を除く): 174906877

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 272863, 818589, 2455767, 3547219, 7367301, 10641657, 22101903, 31924971, 95774913, 287324739]

約数ペア:

[(1, 287324739), (3, 95774913), (9, 31924971), (13, 22101903), (27, 10641657), (39, 7367301), (81, 3547219), (117, 2455767), (351, 818589), (1053, 272863)]