20190807

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 36429120

約数和(自身を除く): 16238313

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 89, 91, 117, 267, 273, 277, 623, 801, 819, 831, 1157, 1869, 1939, 2493, 3471, 3601, 5607, 5817, 8099, 10413, 10803, 17451, 24297, 24653, 25207, 32409, 72891, 73959, 75621, 172571, 221877, 226863, 320489, 517713, 961467, 1553139, 2243423, 2884401, 6730269, 20190807]

約数ペア:

[(1, 20190807), (3, 6730269), (7, 2884401), (9, 2243423), (13, 1553139), (21, 961467), (39, 517713), (63, 320489), (89, 226863), (91, 221877), (117, 172571), (267, 75621), (273, 73959), (277, 72891), (623, 32409), (801, 25207), (819, 24653), (831, 24297), (1157, 17451), (1869, 10803), (1939, 10413), (2493, 8099), (3471, 5817), (3601, 5607)]