258330465

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3023}}^1$

素因数の和:3251

約数の個数: 40

約数和(自身を含む): 465429888

約数和(自身を除く): 207099423

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 405, 633, 1055, 1899, 3023, 3165, 5697, 9069, 9495, 15115, 17091, 27207, 28485, 45345, 81621, 85455, 136035, 244863, 408105, 637853, 1224315, 1913559, 3189265, 5740677, 9567795, 17222031, 28703385, 51666093, 86110155, 258330465]

約数ペア:

[(1, 258330465), (3, 86110155), (5, 51666093), (9, 28703385), (15, 17222031), (27, 9567795), (45, 5740677), (81, 3189265), (135, 1913559), (211, 1224315), (405, 637853), (633, 408105), (1055, 244863), (1899, 136035), (3023, 85455), (3165, 81621), (5697, 45345), (9069, 28485), (9495, 27207), (15115, 17091)]