28272825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 59966400

約数和(自身を除く): 31693575

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 63, 75, 87, 105, 145, 175, 203, 225, 261, 315, 435, 525, 609, 619, 725, 1015, 1305, 1575, 1827, 1857, 2175, 3045, 3095, 4333, 5075, 5571, 6525, 9135, 9285, 12999, 15225, 15475, 17951, 21665, 27855, 38997, 45675, 46425, 53853, 64995, 89755, 108325, 125657, 139275, 161559, 194985, 269265, 324975, 376971, 448775, 628285, 807795, 974925, 1130913, 1346325, 1884855, 3141425, 4038975, 5654565, 9424275, 28272825]

約数ペア:

[(1, 28272825), (3, 9424275), (5, 5654565), (7, 4038975), (9, 3141425), (15, 1884855), (21, 1346325), (25, 1130913), (29, 974925), (35, 807795), (45, 628285), (63, 448775), (75, 376971), (87, 324975), (105, 269265), (145, 194985), (175, 161559), (203, 139275), (225, 125657), (261, 108325), (315, 89755), (435, 64995), (525, 53853), (609, 46425), (619, 45675), (725, 38997), (1015, 27855), (1305, 21665), (1575, 17951), (1827, 15475), (1857, 15225), (2175, 12999), (3045, 9285), (3095, 9135), (4333, 6525), (5075, 5571)]