121514985

素因数分解:

$3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1987}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 219379776

約数和(自身を除く): 97864791

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 151, 405, 453, 755, 1359, 1987, 2265, 4077, 5961, 6795, 9935, 12231, 17883, 20385, 29805, 53649, 61155, 89415, 160947, 268245, 300037, 804735, 900111, 1500185, 2700333, 4500555, 8100999, 13501665, 24302997, 40504995, 121514985]

約数ペア:

[(1, 121514985), (3, 40504995), (5, 24302997), (9, 13501665), (15, 8100999), (27, 4500555), (45, 2700333), (81, 1500185), (135, 900111), (151, 804735), (405, 300037), (453, 268245), (755, 160947), (1359, 89415), (1987, 61155), (2265, 53649), (4077, 29805), (5961, 20385), (6795, 17883), (9935, 12231)]