28941885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 57832320

約数和(自身を除く): 28890435

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 315, 417, 661, 695, 973, 1251, 1983, 2085, 2919, 3305, 4627, 4865, 5949, 6255, 8757, 9915, 13881, 14595, 23135, 29745, 41643, 43785, 69405, 91879, 208215, 275637, 459395, 643153, 826911, 1378185, 1929459, 3215765, 4134555, 5788377, 9647295, 28941885]

約数ペア:

[(1, 28941885), (3, 9647295), (5, 5788377), (7, 4134555), (9, 3215765), (15, 1929459), (21, 1378185), (35, 826911), (45, 643153), (63, 459395), (105, 275637), (139, 208215), (315, 91879), (417, 69405), (661, 43785), (695, 41643), (973, 29745), (1251, 23135), (1983, 14595), (2085, 13881), (2919, 9915), (3305, 8757), (4627, 6255), (4865, 5949)]