31124025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 60353280

約数和(自身を除く): 29229255

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 79, 85, 103, 153, 225, 237, 255, 309, 395, 425, 515, 711, 765, 927, 1185, 1275, 1343, 1545, 1751, 1975, 2575, 3555, 3825, 4029, 4635, 5253, 5925, 6715, 7725, 8137, 8755, 12087, 15759, 17775, 20145, 23175, 24411, 26265, 33575, 40685, 43775, 60435, 73233, 78795, 100725, 122055, 131325, 138329, 203425, 302175, 366165, 393975, 414987, 610275, 691645, 1244961, 1830825, 2074935, 3458225, 6224805, 10374675, 31124025]

約数ペア:

[(1, 31124025), (3, 10374675), (5, 6224805), (9, 3458225), (15, 2074935), (17, 1830825), (25, 1244961), (45, 691645), (51, 610275), (75, 414987), (79, 393975), (85, 366165), (103, 302175), (153, 203425), (225, 138329), (237, 131325), (255, 122055), (309, 100725), (395, 78795), (425, 73233), (515, 60435), (711, 43775), (765, 40685), (927, 33575), (1185, 26265), (1275, 24411), (1343, 23175), (1545, 20145), (1751, 17775), (1975, 15759), (2575, 12087), (3555, 8755), (3825, 8137), (4029, 7725), (4635, 6715), (5253, 5925)]