81365535

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4027}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 141382800

約数和(自身を除く): 60017265

約数列:

[1, 3, 5, 9, 15, 45, 449, 1347, 2245, 4027, 4041, 6735, 12081, 20135, 20205, 36243, 60405, 181215, 1808123, 5424369, 9040615, 16273107, 27121845, 81365535]

約数ペア:

[(1, 81365535), (3, 27121845), (5, 16273107), (9, 9040615), (15, 5424369), (45, 1808123), (449, 181215), (1347, 60405), (2245, 36243), (4027, 20205), (4041, 20135), (6735, 12081)]