213045001

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 245796768

約数和(自身を除く): 32751767

約数列:

[1, 13, 37, 53, 61, 137, 481, 689, 793, 1781, 1961, 2257, 3233, 5069, 7261, 8357, 25493, 29341, 42029, 65897, 94393, 108641, 119621, 268657, 309209, 442921, 1555073, 3492541, 4019717, 5757973, 16388077, 213045001]

約数ペア:

[(1, 213045001), (13, 16388077), (37, 5757973), (53, 4019717), (61, 3492541), (137, 1555073), (481, 442921), (689, 309209), (793, 268657), (1781, 119621), (1961, 108641), (2257, 94393), (3233, 65897), (5069, 42029), (7261, 29341), (8357, 25493)]