8128155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 14976000

約数和(自身を除く): 6847845

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 389, 597, 995, 1167, 1393, 1945, 2723, 2985, 4179, 5835, 6965, 8169, 13615, 20895, 40845, 77411, 232233, 387055, 541877, 1161165, 1625631, 2709385, 8128155]

約数ペア:

[(1, 8128155), (3, 2709385), (5, 1625631), (7, 1161165), (15, 541877), (21, 387055), (35, 232233), (105, 77411), (199, 40845), (389, 20895), (597, 13615), (995, 8169), (1167, 6965), (1393, 5835), (1945, 4179), (2723, 2985)]