81569025

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 157073280

約数和(自身を除く): 75504255

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 243, 261, 405, 435, 463, 675, 725, 783, 1215, 1305, 1389, 2025, 2175, 2315, 2349, 3915, 4167, 6075, 6525, 6945, 7047, 11575, 11745, 12501, 13427, 19575, 20835, 34725, 35235, 37503, 40281, 58725, 62505, 67135, 104175, 112509, 120843, 176175, 187515, 201405, 312525, 335675, 362529, 562545, 604215, 937575, 1007025, 1087587, 1812645, 2812725, 3021075, 3262761, 5437935, 9063225, 16313805, 27189675, 81569025]

約数ペア:

[(1, 81569025), (3, 27189675), (5, 16313805), (9, 9063225), (15, 5437935), (25, 3262761), (27, 3021075), (29, 2812725), (45, 1812645), (75, 1087587), (81, 1007025), (87, 937575), (135, 604215), (145, 562545), (225, 362529), (243, 335675), (261, 312525), (405, 201405), (435, 187515), (463, 176175), (675, 120843), (725, 112509), (783, 104175), (1215, 67135), (1305, 62505), (1389, 58725), (2025, 40281), (2175, 37503), (2315, 35235), (2349, 34725), (3915, 20835), (4167, 19575), (6075, 13427), (6525, 12501), (6945, 11745), (7047, 11575)]