121555305

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19717}}^1$

素因数の和:19865

約数の個数: 24

約数和(自身を含む): 212244552

約数和(自身を除く): 90689247

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 19717, 59151, 98585, 177453, 295755, 887265, 2701229, 8103687, 13506145, 24311061, 40518435, 121555305]

約数ペア:

[(1, 121555305), (3, 40518435), (5, 24311061), (9, 13506145), (15, 8103687), (45, 2701229), (137, 887265), (411, 295755), (685, 177453), (1233, 98585), (2055, 59151), (6165, 19717)]