233231817

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 405715968

約数和(自身を除く): 172484151

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 127, 147, 217, 273, 381, 403, 637, 651, 889, 961, 1209, 1519, 1651, 1911, 2667, 2821, 2883, 3937, 4557, 4953, 6223, 6727, 8463, 11557, 11811, 12493, 18669, 19747, 20181, 27559, 34671, 37479, 47089, 51181, 59241, 80899, 82677, 87451, 122047, 141267, 153543, 192913, 242697, 262353, 358267, 366141, 578739, 612157, 854329, 1074801, 1586611, 1836471, 2507869, 2562987, 4759833, 5980303, 7523607, 11106277, 17940909, 33318831, 77743939, 233231817]

約数ペア:

[(1, 233231817), (3, 77743939), (7, 33318831), (13, 17940909), (21, 11106277), (31, 7523607), (39, 5980303), (49, 4759833), (91, 2562987), (93, 2507869), (127, 1836471), (147, 1586611), (217, 1074801), (273, 854329), (381, 612157), (403, 578739), (637, 366141), (651, 358267), (889, 262353), (961, 242697), (1209, 192913), (1519, 153543), (1651, 141267), (1911, 122047), (2667, 87451), (2821, 82677), (2883, 80899), (3937, 59241), (4557, 51181), (4953, 47089), (6223, 37479), (6727, 34671), (8463, 27559), (11557, 20181), (11811, 19747), (12493, 18669)]