156981012795

素因数分解:

$3^4\times 5^1\times {\mathrm{387607439}}^1$

素因数の和:387607456

約数の個数: 20

約数和(自身を含む): 281403001440

約数和(自身を除く): 124421988645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387607439, 1162822317, 1938037195, 3488466951, 5814111585, 10465400853, 17442334755, 31396202559, 52327004265, 156981012795]

約数ペア:

[(1, 156981012795), (3, 52327004265), (5, 31396202559), (9, 17442334755), (15, 10465400853), (27, 5814111585), (45, 3488466951), (81, 1938037195), (135, 1162822317), (405, 387607439)]