16581873

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3121}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 28772352

約数和(自身を除く): 12190479

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 3121, 5313, 9363, 21847, 34331, 65541, 71783, 102993, 215349, 240317, 502481, 720951, 789613, 1507443, 2368839, 5527291, 16581873]

約数ペア:

[(1, 16581873), (3, 5527291), (7, 2368839), (11, 1507443), (21, 789613), (23, 720951), (33, 502481), (69, 240317), (77, 215349), (161, 102993), (231, 71783), (253, 65541), (483, 34331), (759, 21847), (1771, 9363), (3121, 5313)]