81319695

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{17659}}^1$

素因数の和:17974

約数の個数: 16

約数和(自身を含む): 130542720

約数和(自身を除く): 49223025

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4605, 17659, 52977, 88295, 264885, 5421313, 16263939, 27106565, 81319695]

約数ペア:

[(1, 81319695), (3, 27106565), (5, 16263939), (15, 5421313), (307, 264885), (921, 88295), (1535, 52977), (4605, 17659)]