13210245

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6827}}^1$

素因数の和:6881

約数の個数: 24

約数和(自身を含む): 23433696

約数和(自身を除く): 10223451

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6827, 20481, 34135, 61443, 102405, 293561, 307215, 880683, 1467805, 2642049, 4403415, 13210245]

約数ペア:

[(1, 13210245), (3, 4403415), (5, 2642049), (9, 1467805), (15, 880683), (43, 307215), (45, 293561), (129, 102405), (215, 61443), (387, 34135), (645, 20481), (1935, 6827)]