26979885

素因数分解:

$3^4\times 5^1\times {\mathrm{66617}}^1$

素因数の和:66634

約数の個数: 20

約数和(自身を含む): 48364668

約数和(自身を除く): 21384783

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 66617, 199851, 333085, 599553, 999255, 1798659, 2997765, 5395977, 8993295, 26979885]

約数ペア:

[(1, 26979885), (3, 8993295), (5, 5395977), (9, 2997765), (15, 1798659), (27, 999255), (45, 599553), (81, 333085), (135, 199851), (405, 66617)]