81200565

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17519}}^1$

素因数の和:17633

約数の個数: 24

約数和(自身を含む): 142122240

約数和(自身を除く): 60921675

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 17519, 52557, 87595, 157671, 262785, 788355, 1804457, 5413371, 9022285, 16240113, 27066855, 81200565]

約数ペア:

[(1, 81200565), (3, 27066855), (5, 16240113), (9, 9022285), (15, 5413371), (45, 1804457), (103, 788355), (309, 262785), (515, 157671), (927, 87595), (1545, 52557), (4635, 17519)]