84289005

素因数分解:

$3^4\times 5^1\times {\mathrm{208121}}^1$

素因数の和:208138

約数の個数: 20

約数和(自身を含む): 151096572

約数和(自身を除く): 66807567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 208121, 624363, 1040605, 1873089, 3121815, 5619267, 9365445, 16857801, 28096335, 84289005]

約数ペア:

[(1, 84289005), (3, 28096335), (5, 16857801), (9, 9365445), (15, 5619267), (27, 3121815), (45, 1873089), (81, 1040605), (135, 624363), (405, 208121)]