129331425

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 221360832

約数和(自身を除く): 92029407

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 137, 205, 307, 411, 615, 685, 921, 1025, 1535, 2055, 3075, 3425, 4605, 5617, 7675, 10275, 12587, 16851, 23025, 28085, 37761, 42059, 62935, 84255, 126177, 140425, 188805, 210295, 314675, 421275, 630885, 944025, 1051475, 1724419, 3154425, 5173257, 8622095, 25866285, 43110475, 129331425]

約数ペア:

[(1, 129331425), (3, 43110475), (5, 25866285), (15, 8622095), (25, 5173257), (41, 3154425), (75, 1724419), (123, 1051475), (137, 944025), (205, 630885), (307, 421275), (411, 314675), (615, 210295), (685, 188805), (921, 140425), (1025, 126177), (1535, 84255), (2055, 62935), (3075, 42059), (3425, 37761), (4605, 28085), (5617, 23025), (7675, 16851), (10275, 12587)]