7128321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 10782720

約数和(自身を除く): 3654399

約数列:

[1, 3, 17, 23, 51, 59, 69, 103, 177, 309, 391, 1003, 1173, 1357, 1751, 2369, 3009, 4071, 5253, 6077, 7107, 18231, 23069, 40273, 69207, 103309, 120819, 139771, 309927, 419313, 2376107, 7128321]

約数ペア:

[(1, 7128321), (3, 2376107), (17, 419313), (23, 309927), (51, 139771), (59, 120819), (69, 103309), (103, 69207), (177, 40273), (309, 23069), (391, 18231), (1003, 7107), (1173, 6077), (1357, 5253), (1751, 4071), (2369, 3009)]