28951425

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 90

約数和(自身を含む): 58808178

約数和(自身を除く): 29856753

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 45, 51, 75, 81, 85, 87, 135, 145, 153, 225, 255, 261, 405, 425, 435, 459, 493, 675, 725, 765, 783, 841, 1275, 1305, 1377, 1479, 2025, 2175, 2295, 2349, 2465, 2523, 3825, 3915, 4205, 4437, 6525, 6885, 7395, 7569, 11475, 11745, 12325, 12615, 13311, 14297, 19575, 21025, 22185, 22707, 34425, 36975, 37845, 39933, 42891, 58725, 63075, 66555, 68121, 71485, 110925, 113535, 128673, 189225, 199665, 214455, 332775, 340605, 357425, 386019, 567675, 643365, 998325, 1072275, 1158057, 1703025, 1930095, 3216825, 5790285, 9650475, 28951425]

約数ペア:

[(1, 28951425), (3, 9650475), (5, 5790285), (9, 3216825), (15, 1930095), (17, 1703025), (25, 1158057), (27, 1072275), (29, 998325), (45, 643365), (51, 567675), (75, 386019), (81, 357425), (85, 340605), (87, 332775), (135, 214455), (145, 199665), (153, 189225), (225, 128673), (255, 113535), (261, 110925), (405, 71485), (425, 68121), (435, 66555), (459, 63075), (493, 58725), (675, 42891), (725, 39933), (765, 37845), (783, 36975), (841, 34425), (1275, 22707), (1305, 22185), (1377, 21025), (1479, 19575), (2025, 14297), (2175, 13311), (2295, 12615), (2349, 12325), (2465, 11745), (2523, 11475), (3825, 7569), (3915, 7395), (4205, 6885), (4437, 6525)]