12972897

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1322

約数の個数: 36

約数和(自身を含む): 22763520

約数和(自身を除く): 9790623

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1279, 1449, 3381, 3837, 8953, 10143, 11511, 26859, 29417, 62671, 80577, 88251, 188013, 205919, 264753, 564039, 617757, 1441433, 1853271, 4324299, 12972897]

約数ペア:

[(1, 12972897), (3, 4324299), (7, 1853271), (9, 1441433), (21, 617757), (23, 564039), (49, 264753), (63, 205919), (69, 188013), (147, 88251), (161, 80577), (207, 62671), (441, 29417), (483, 26859), (1127, 11511), (1279, 10143), (1449, 8953), (3381, 3837)]