613431

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 1120392

約数和(自身を除く): 506961

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 107, 117, 147, 273, 321, 441, 637, 749, 819, 963, 1391, 1911, 2247, 4173, 5243, 5733, 6741, 9737, 12519, 15729, 29211, 47187, 68159, 87633, 204477, 613431]

約数ペア:

[(1, 613431), (3, 204477), (7, 87633), (9, 68159), (13, 47187), (21, 29211), (39, 15729), (49, 12519), (63, 9737), (91, 6741), (107, 5733), (117, 5243), (147, 4173), (273, 2247), (321, 1911), (441, 1391), (637, 963), (749, 819)]