7977285

素因数分解:

$3^4\times 5^1\times {\mathrm{19697}}^1$

素因数の和:19714

約数の個数: 20

約数和(自身を含む): 14300748

約数和(自身を除く): 6323463

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19697, 59091, 98485, 177273, 295455, 531819, 886365, 1595457, 2659095, 7977285]

約数ペア:

[(1, 7977285), (3, 2659095), (5, 1595457), (9, 886365), (15, 531819), (27, 295455), (45, 177273), (81, 98485), (135, 59091), (405, 19697)]