215381295

素因数分解:

$3^3\times 5^1\times {\mathrm{1595417}}^1$

素因数の和:1595431

約数の個数: 16

約数和(自身を含む): 382900320

約数和(自身を除く): 167519025

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1595417, 4786251, 7977085, 14358753, 23931255, 43076259, 71793765, 215381295]

約数ペア:

[(1, 215381295), (3, 71793765), (5, 43076259), (9, 23931255), (15, 14358753), (27, 7977085), (45, 4786251), (135, 1595417)]