51569427

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 90832896

約数和(自身を除く): 39263469

約数列:

[1, 3, 7, 13, 21, 23, 39, 43, 69, 91, 129, 161, 191, 273, 299, 301, 483, 559, 573, 897, 903, 989, 1337, 1677, 2093, 2483, 2967, 3913, 4011, 4393, 6279, 6923, 7449, 8213, 11739, 12857, 13179, 17381, 20769, 24639, 30751, 38571, 52143, 57109, 57491, 89999, 92253, 106769, 171327, 172473, 188899, 269997, 320307, 399763, 566697, 747383, 1199289, 1322293, 2242149, 2455687, 3966879, 7367061, 17189809, 51569427]

約数ペア:

[(1, 51569427), (3, 17189809), (7, 7367061), (13, 3966879), (21, 2455687), (23, 2242149), (39, 1322293), (43, 1199289), (69, 747383), (91, 566697), (129, 399763), (161, 320307), (191, 269997), (273, 188899), (299, 172473), (301, 171327), (483, 106769), (559, 92253), (573, 89999), (897, 57491), (903, 57109), (989, 52143), (1337, 38571), (1677, 30751), (2093, 24639), (2483, 20769), (2967, 17381), (3913, 13179), (4011, 12857), (4393, 11739), (6279, 8213), (6923, 7449)]