28728693

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^2\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 48610848

約数和(自身を除く): 19882155

約数列:

[1, 3, 7, 9, 21, 59, 63, 131, 177, 393, 413, 531, 917, 1179, 1239, 2751, 3481, 3717, 7729, 8253, 10443, 23187, 24367, 31329, 54103, 69561, 73101, 162309, 219303, 456011, 486927, 1368033, 3192077, 4104099, 9576231, 28728693]

約数ペア:

[(1, 28728693), (3, 9576231), (7, 4104099), (9, 3192077), (21, 1368033), (59, 486927), (63, 456011), (131, 219303), (177, 162309), (393, 73101), (413, 69561), (531, 54103), (917, 31329), (1179, 24367), (1239, 23187), (2751, 10443), (3481, 8253), (3717, 7729)]