16128819

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11131}}^1$

素因数の和:11167

約数の個数: 24

約数和(自身を含む): 27785472

約数和(自身を除く): 11656653

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 11131, 33393, 77917, 100179, 233751, 256013, 701253, 768039, 1792091, 2304117, 5376273, 16128819]

約数ペア:

[(1, 16128819), (3, 5376273), (7, 2304117), (9, 1792091), (21, 768039), (23, 701253), (63, 256013), (69, 233751), (161, 100179), (207, 77917), (483, 33393), (1449, 11131)]