13820535

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1559}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 24092640

約数和(自身を除く): 10272105

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1559, 1773, 2955, 4677, 7795, 8865, 14031, 23385, 70155, 307123, 921369, 1535615, 2764107, 4606845, 13820535]

約数ペア:

[(1, 13820535), (3, 4606845), (5, 2764107), (9, 1535615), (15, 921369), (45, 307123), (197, 70155), (591, 23385), (985, 14031), (1559, 8865), (1773, 7795), (2955, 4677)]