90457731

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 174545280

約数和(自身を除く): 84087549

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 73, 89, 91, 117, 119, 153, 219, 221, 267, 273, 357, 511, 623, 657, 663, 801, 819, 949, 1071, 1157, 1241, 1513, 1533, 1547, 1869, 1989, 2847, 3471, 3723, 4539, 4599, 4641, 5607, 6497, 6643, 8099, 8541, 8687, 10413, 10591, 11169, 13617, 13923, 16133, 19491, 19669, 19929, 24297, 26061, 31773, 45479, 48399, 58473, 59007, 59787, 72891, 78183, 84461, 95319, 110449, 112931, 136437, 137683, 145197, 177021, 253383, 331347, 338793, 409311, 413049, 591227, 760149, 773143, 994041, 1016379, 1239147, 1435837, 1773681, 2319429, 4307511, 5321043, 6958287, 10050859, 12922533, 30152577, 90457731]

約数ペア:

[(1, 90457731), (3, 30152577), (7, 12922533), (9, 10050859), (13, 6958287), (17, 5321043), (21, 4307511), (39, 2319429), (51, 1773681), (63, 1435837), (73, 1239147), (89, 1016379), (91, 994041), (117, 773143), (119, 760149), (153, 591227), (219, 413049), (221, 409311), (267, 338793), (273, 331347), (357, 253383), (511, 177021), (623, 145197), (657, 137683), (663, 136437), (801, 112931), (819, 110449), (949, 95319), (1071, 84461), (1157, 78183), (1241, 72891), (1513, 59787), (1533, 59007), (1547, 58473), (1869, 48399), (1989, 45479), (2847, 31773), (3471, 26061), (3723, 24297), (4539, 19929), (4599, 19669), (4641, 19491), (5607, 16133), (6497, 13923), (6643, 13617), (8099, 11169), (8541, 10591), (8687, 10413)]