28433025

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 60

約数和(自身を含む): 55514800

約数和(自身を除く): 27081775

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 475, 513, 675, 739, 855, 1425, 1539, 2025, 2217, 2565, 3695, 4275, 6651, 7695, 11085, 12825, 14041, 18475, 19953, 33255, 38475, 42123, 55425, 59859, 70205, 99765, 126369, 166275, 210615, 299295, 351025, 379107, 498825, 631845, 1053075, 1137321, 1496475, 1895535, 3159225, 5686605, 9477675, 28433025]

約数ペア:

[(1, 28433025), (3, 9477675), (5, 5686605), (9, 3159225), (15, 1895535), (19, 1496475), (25, 1137321), (27, 1053075), (45, 631845), (57, 498825), (75, 379107), (81, 351025), (95, 299295), (135, 210615), (171, 166275), (225, 126369), (285, 99765), (405, 70205), (475, 59859), (513, 55425), (675, 42123), (739, 38475), (855, 33255), (1425, 19953), (1539, 18475), (2025, 14041), (2217, 12825), (2565, 11085), (3695, 7695), (4275, 6651)]