87979437

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 169827840

約数和(自身を除く): 81848403

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 71, 89, 91, 117, 119, 153, 213, 221, 267, 273, 357, 497, 623, 639, 663, 801, 819, 923, 1071, 1157, 1207, 1491, 1513, 1547, 1869, 1989, 2769, 3471, 3621, 4473, 4539, 4641, 5607, 6319, 6461, 8099, 8307, 8449, 10413, 10591, 10863, 13617, 13923, 15691, 18957, 19383, 19669, 24297, 25347, 31773, 44233, 47073, 56871, 58149, 59007, 72891, 76041, 82147, 95319, 107423, 109837, 132699, 137683, 141219, 177021, 246441, 322269, 329511, 398097, 413049, 575029, 739323, 751961, 966807, 988533, 1239147, 1396499, 1725087, 2255883, 4189497, 5175261, 6767649, 9775493, 12568491, 29326479, 87979437]

約数ペア:

[(1, 87979437), (3, 29326479), (7, 12568491), (9, 9775493), (13, 6767649), (17, 5175261), (21, 4189497), (39, 2255883), (51, 1725087), (63, 1396499), (71, 1239147), (89, 988533), (91, 966807), (117, 751961), (119, 739323), (153, 575029), (213, 413049), (221, 398097), (267, 329511), (273, 322269), (357, 246441), (497, 177021), (623, 141219), (639, 137683), (663, 132699), (801, 109837), (819, 107423), (923, 95319), (1071, 82147), (1157, 76041), (1207, 72891), (1491, 59007), (1513, 58149), (1547, 56871), (1869, 47073), (1989, 44233), (2769, 31773), (3471, 25347), (3621, 24297), (4473, 19669), (4539, 19383), (4641, 18957), (5607, 15691), (6319, 13923), (6461, 13617), (8099, 10863), (8307, 10591), (8449, 10413)]