80321787

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 156606912

約数和(自身を除く): 76285125

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 81, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 567, 641, 663, 819, 1053, 1071, 1377, 1547, 1923, 1989, 2457, 3213, 4487, 4641, 5769, 5967, 7371, 8333, 9639, 10897, 13461, 13923, 17307, 17901, 24999, 32691, 40383, 41769, 51921, 58331, 74997, 76279, 98073, 121149, 125307, 141661, 174993, 224991, 228837, 294219, 363447, 424983, 524979, 674973, 686511, 882657, 991627, 1274949, 1574937, 2059533, 2974881, 3824847, 4724811, 6178599, 8924643, 11474541, 26773929, 80321787]

約数ペア:

[(1, 80321787), (3, 26773929), (7, 11474541), (9, 8924643), (13, 6178599), (17, 4724811), (21, 3824847), (27, 2974881), (39, 2059533), (51, 1574937), (63, 1274949), (81, 991627), (91, 882657), (117, 686511), (119, 674973), (153, 524979), (189, 424983), (221, 363447), (273, 294219), (351, 228837), (357, 224991), (459, 174993), (567, 141661), (641, 125307), (663, 121149), (819, 98073), (1053, 76279), (1071, 74997), (1377, 58331), (1547, 51921), (1923, 41769), (1989, 40383), (2457, 32691), (3213, 24999), (4487, 17901), (4641, 17307), (5769, 13923), (5967, 13461), (7371, 10897), (8333, 9639)]