81136575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27739}}^1$

素因数の和:27768

約数の個数: 36

約数和(自身を含む): 156509080

約数和(自身を除く): 75372505

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 27739, 83217, 138695, 249651, 360607, 416085, 693475, 1081821, 1248255, 1803035, 2080425, 3245463, 5409105, 6241275, 9015175, 16227315, 27045525, 81136575]

約数ペア:

[(1, 81136575), (3, 27045525), (5, 16227315), (9, 9015175), (13, 6241275), (15, 5409105), (25, 3245463), (39, 2080425), (45, 1803035), (65, 1248255), (75, 1081821), (117, 693475), (195, 416085), (225, 360607), (325, 249651), (585, 138695), (975, 83217), (2925, 27739)]