173889261

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 330451968

約数和(自身を除く): 156562707

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 81, 91, 93, 117, 189, 217, 273, 279, 351, 403, 567, 651, 761, 819, 837, 1053, 1209, 1953, 2283, 2457, 2511, 2821, 3627, 5327, 5859, 6849, 7371, 8463, 9893, 10881, 15981, 17577, 20547, 23591, 25389, 29679, 32643, 47943, 61641, 69251, 70773, 76167, 89037, 143829, 165137, 207753, 212319, 228501, 267111, 306683, 431487, 495411, 623259, 636957, 801333, 920049, 1486233, 1869777, 1910871, 2146781, 2760147, 4458699, 5609331, 6440343, 8280441, 13376097, 19321029, 24841323, 57963087, 173889261]

約数ペア:

[(1, 173889261), (3, 57963087), (7, 24841323), (9, 19321029), (13, 13376097), (21, 8280441), (27, 6440343), (31, 5609331), (39, 4458699), (63, 2760147), (81, 2146781), (91, 1910871), (93, 1869777), (117, 1486233), (189, 920049), (217, 801333), (273, 636957), (279, 623259), (351, 495411), (403, 431487), (567, 306683), (651, 267111), (761, 228501), (819, 212319), (837, 207753), (1053, 165137), (1209, 143829), (1953, 89037), (2283, 76167), (2457, 70773), (2511, 69251), (2821, 61641), (3627, 47943), (5327, 32643), (5859, 29679), (6849, 25389), (7371, 23591), (8463, 20547), (9893, 17577), (10881, 15981)]