18111051

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 14237109

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 431, 483, 609, 667, 1293, 1449, 1827, 2001, 3017, 3879, 4669, 6003, 9051, 9913, 12499, 14007, 27153, 29739, 37497, 42021, 69391, 87493, 89217, 112491, 208173, 262479, 287477, 624519, 787437, 862431, 2012339, 2587293, 6037017, 18111051]

約数ペア:

[(1, 18111051), (3, 6037017), (7, 2587293), (9, 2012339), (21, 862431), (23, 787437), (29, 624519), (63, 287477), (69, 262479), (87, 208173), (161, 112491), (203, 89217), (207, 87493), (261, 69391), (431, 42021), (483, 37497), (609, 29739), (667, 27153), (1293, 14007), (1449, 12499), (1827, 9913), (2001, 9051), (3017, 6003), (3879, 4669)]