420524559

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 760061952

約数和(自身を除く): 339537393

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 127, 169, 273, 311, 381, 507, 819, 889, 933, 1143, 1183, 1521, 1651, 2177, 2667, 2799, 3549, 4043, 4953, 6531, 8001, 10647, 11557, 12129, 14859, 19593, 21463, 28301, 34671, 36387, 39497, 52559, 64389, 84903, 104013, 118491, 150241, 157677, 193167, 254709, 276479, 355473, 367913, 450723, 473031, 513461, 829437, 1103739, 1352169, 1540383, 2488311, 3311217, 3594227, 4621149, 6674993, 10782681, 20024979, 32348043, 46724951, 60074937, 140174853, 420524559]

約数ペア:

[(1, 420524559), (3, 140174853), (7, 60074937), (9, 46724951), (13, 32348043), (21, 20024979), (39, 10782681), (63, 6674993), (91, 4621149), (117, 3594227), (127, 3311217), (169, 2488311), (273, 1540383), (311, 1352169), (381, 1103739), (507, 829437), (819, 513461), (889, 473031), (933, 450723), (1143, 367913), (1183, 355473), (1521, 276479), (1651, 254709), (2177, 193167), (2667, 157677), (2799, 150241), (3549, 118491), (4043, 104013), (4953, 84903), (6531, 64389), (8001, 52559), (10647, 39497), (11557, 36387), (12129, 34671), (14859, 28301), (19593, 21463)]