191293557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6803}}^1$

素因数の和:6929

約数の個数: 32

約数和(自身を含む): 317011968

約数和(自身を除く): 125718411

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 4017, 6803, 9373, 20409, 28119, 47621, 88439, 142863, 265317, 619073, 700709, 1857219, 2102127, 4904963, 9109217, 14714889, 27327651, 63764519, 191293557]

約数ペア:

[(1, 191293557), (3, 63764519), (7, 27327651), (13, 14714889), (21, 9109217), (39, 4904963), (91, 2102127), (103, 1857219), (273, 700709), (309, 619073), (721, 265317), (1339, 142863), (2163, 88439), (4017, 47621), (6803, 28119), (9373, 20409)]