7985385

素因数分解:

$3^4\times 5^1\times {\mathrm{19717}}^1$

素因数の和:19734

約数の個数: 20

約数和(自身を含む): 14315268

約数和(自身を除く): 6329883

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19717, 59151, 98585, 177453, 295755, 532359, 887265, 1597077, 2661795, 7985385]

約数ペア:

[(1, 7985385), (3, 2661795), (5, 1597077), (9, 887265), (15, 532359), (27, 295755), (45, 177453), (81, 98585), (135, 59151), (405, 19717)]