247564863

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5927}}^1$

素因数の和:5973

約数の個数: 64

約数和(自身を含む): 478033920

約数和(自身を除く): 230469057

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 819, 1071, 1547, 1989, 2457, 3213, 4641, 5927, 5967, 13923, 17781, 41489, 41769, 53343, 77051, 100759, 124467, 160029, 231153, 302277, 373401, 539357, 693459, 705313, 906831, 1120203, 1309867, 1618071, 2080377, 2115939, 2720493, 3929601, 4854213, 6347817, 9169069, 11788803, 14562639, 19043451, 27507207, 35366409, 82521621, 247564863]

約数ペア:

[(1, 247564863), (3, 82521621), (7, 35366409), (9, 27507207), (13, 19043451), (17, 14562639), (21, 11788803), (27, 9169069), (39, 6347817), (51, 4854213), (63, 3929601), (91, 2720493), (117, 2115939), (119, 2080377), (153, 1618071), (189, 1309867), (221, 1120203), (273, 906831), (351, 705313), (357, 693459), (459, 539357), (663, 373401), (819, 302277), (1071, 231153), (1547, 160029), (1989, 124467), (2457, 100759), (3213, 77051), (4641, 53343), (5927, 41769), (5967, 41489), (13923, 17781)]