53385255

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 122923008

約数和(自身を除く): 69537753

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 31, 33, 35, 45, 49, 55, 63, 71, 77, 93, 99, 105, 147, 155, 165, 213, 217, 231, 245, 279, 315, 341, 355, 385, 441, 465, 495, 497, 539, 639, 651, 693, 735, 781, 1023, 1065, 1085, 1155, 1395, 1491, 1519, 1617, 1705, 1953, 2201, 2205, 2343, 2387, 2485, 2695, 3069, 3195, 3255, 3465, 3479, 3905, 4473, 4557, 4851, 5115, 5467, 6603, 7029, 7161, 7455, 7595, 8085, 9765, 10437, 11005, 11715, 11935, 13671, 15345, 15407, 16401, 16709, 17395, 19809, 21483, 22365, 22785, 24211, 24255, 27335, 31311, 33015, 35145, 35805, 38269, 46221, 49203, 50127, 52185, 68355, 72633, 77035, 82005, 83545, 99045, 107415, 107849, 114807, 121055, 138663, 150381, 156555, 169477, 191345, 217899, 231105, 246015, 250635, 323547, 344421, 363165, 508431, 539245, 574035, 693315, 751905, 847385, 970641, 1089495, 1186339, 1525293, 1617735, 1722105, 2542155, 3559017, 4853205, 5931695, 7626465, 10677051, 17795085, 53385255]

約数ペア:

[(1, 53385255), (3, 17795085), (5, 10677051), (7, 7626465), (9, 5931695), (11, 4853205), (15, 3559017), (21, 2542155), (31, 1722105), (33, 1617735), (35, 1525293), (45, 1186339), (49, 1089495), (55, 970641), (63, 847385), (71, 751905), (77, 693315), (93, 574035), (99, 539245), (105, 508431), (147, 363165), (155, 344421), (165, 323547), (213, 250635), (217, 246015), (231, 231105), (245, 217899), (279, 191345), (315, 169477), (341, 156555), (355, 150381), (385, 138663), (441, 121055), (465, 114807), (495, 107849), (497, 107415), (539, 99045), (639, 83545), (651, 82005), (693, 77035), (735, 72633), (781, 68355), (1023, 52185), (1065, 50127), (1085, 49203), (1155, 46221), (1395, 38269), (1491, 35805), (1519, 35145), (1617, 33015), (1705, 31311), (1953, 27335), (2201, 24255), (2205, 24211), (2343, 22785), (2387, 22365), (2485, 21483), (2695, 19809), (3069, 17395), (3195, 16709), (3255, 16401), (3465, 15407), (3479, 15345), (3905, 13671), (4473, 11935), (4557, 11715), (4851, 11005), (5115, 10437), (5467, 9765), (6603, 8085), (7029, 7595), (7161, 7455)]