128976477

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{4409}}^1$

素因数の和:4625

約数の個数: 24

約数和(自身を含む): 201096000

約数和(自身を除く): 72119523

約数列:

[1, 3, 7, 21, 49, 147, 199, 597, 1393, 4179, 4409, 9751, 13227, 29253, 30863, 92589, 216041, 648123, 877391, 2632173, 6141737, 18425211, 42992159, 128976477]

約数ペア:

[(1, 128976477), (3, 42992159), (7, 18425211), (21, 6141737), (49, 2632173), (147, 877391), (199, 648123), (597, 216041), (1393, 92589), (4179, 30863), (4409, 29253), (9751, 13227)]