193339887

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 292190976

約数和(自身を除く): 98851089

約数列:

[1, 3, 13, 39, 41, 71, 123, 131, 169, 213, 393, 507, 533, 923, 1599, 1703, 2769, 2911, 5109, 5371, 6929, 8733, 9301, 11999, 16113, 20787, 22139, 27903, 35997, 37843, 66417, 69823, 113529, 120913, 209469, 362739, 381341, 491959, 907699, 1144023, 1475877, 1571869, 2723097, 4715607, 4957433, 14872299, 64446629, 193339887]

約数ペア:

[(1, 193339887), (3, 64446629), (13, 14872299), (39, 4957433), (41, 4715607), (71, 2723097), (123, 1571869), (131, 1475877), (169, 1144023), (213, 907699), (393, 491959), (507, 381341), (533, 362739), (923, 209469), (1599, 120913), (1703, 113529), (2769, 69823), (2911, 66417), (5109, 37843), (5371, 35997), (6929, 27903), (8733, 22139), (9301, 20787), (11999, 16113)]